Anxiety Disorders & PTSD

PTSD High-yield Verified · Sep 2026

An anxiety disorder is persistent, excessive anxiety disproportionate to the actual threat that causes significant distress or functional impairment — while PTSD is a trauma- and stressor-related disorder in which intrusion, avoidance, negative mood and hyperarousal persist for more than one month after a qualifying trauma.

The disorder behind Peplau’s four levels, the 6-month GAD rule, the panic attack that peaks within minutes, the PTSD cluster thresholds, the 3-to-30-day acute stress window, the three trauma-focused psychotherapies, and the finger foods offered to a patient who cannot stop pacing.

What’s going wrong in the body

The normal physiology, where it fails, and why the body’s compensation backfires.

01 One survival circuit, firing at the wrong thing

Start with the distinction the sources draw first. Anxiety is "feelings of apprehension, uneasiness, uncertainty, or dread in response to a real or perceived threat," and "while fear is a reaction to a specific and present danger, anxiety often involves a vague sense of dread to a specific or unknown danger. However, the body reacts physiologically with the stress response to both anxiety and fear." That last clause is why this page exists: fear and anxiety feel different and produce identical physiology.

The physiology is the "fight, flight, freeze, or fawn" response — "an automatic survival mechanism triggered by the sympathetic nervous system when a threat is perceived," which "activates multiple organs, leading to symptoms such as increased heart rate, elevated blood pressure, rapid breathing, and muscle tension." After trauma the same cascade is described in more detail: "a surge of adrenaline from sympathetic nervous system stimulation," producing "tachycardia, rising blood pressure, and further neuroendocrine responses such as the release of cortisol and other catecholamines." And crucially: "when the trauma stimulus is prolonged or repeated, a conditioned behavioral response leading to acute stress disorder or PTSD can occur."

Anxiety is not automatically pathological, and saying so out loud matters clinically. "Mild anxiety can be beneficial by providing the energy and concentration needed to complete important tasks or motivating healthy behavioral changes," and "consider the fear of dangerous situations such as approaching a rattlesnake or standing on a steep cliff; at crucial times such as these, anxiety is important because it provides safety." What makes it a disorder is proportion and cost: "persistent and excessive anxiety that is disproportionate to the actual threat" causing significant distress or impairment in daily functioning — judged on how often, how long and how intensely the symptoms occur.

02 The amygdala detects, the frontal lobe is supposed to tone it down

The anatomy is the same across these disorders, and it is worth learning once. "Neuroanatomically, the amygdala has significant responsibility for threat detection and fear response. The amygdala is part of the ancient brain evolutionarily, meaning that its activation is primary and typically toned down by the frontal cortex as cognition and learned behaviors develop. In patients with PTSD, the toning down capacity of the frontal lobe is dysregulated compared to those without PTSD." The panic literature points at the same structure — "the amygdala is proposed as the main area of dysfunction," with imaging showing increased flow and receptor activity in limbic and frontal regions.

On neurotransmitters, the sources are useful in GAD and honest everywhere else. For generalized anxiety: "reduced serotonergic activity and increased noradrenergic activity may contribute to the development of generalized anxiety disorder. Consequently, SSRIs and SNRIs are first-line medications for treatment" — an explicit mechanism-to-drug link. In panic disorder, abnormalities in GABA, cortisol and serotonin are described, with two competing theories recorded rather than merged. In PTSD, serotonin, dopamine, epinephrine, norepinephrine, glutamate and GABA have all been investigated, but "neurotransmitter levels in patients with PTSD have had inconsistent findings" — they "still form the basis of an approach for treatment," which is a much weaker statement than students usually hear. Structural imaging is equally hedged: MRI studies show "nonspecific findings, including reduced total brain volume, although the results are not consistent."

Two learned mechanisms complete the picture, and both explain a treatment. Conditioned fear: "a conditioned response of learned fear can occur after exposure to a significant stimulus," and "individuals exposed to repeated traumas, such as those experiencing domestic or parental abuse, can develop a conditioned response to trauma." Exposure therapy is built directly on it — it "considers a conditioned fear response from learned behavior and involves a measured approach of reintroducing the stimulus to lead to fear extinction." Shattered assumptions: before trauma a person holds that "the world is benevolent," "the world is meaningful" and "the self is worthy"; "after trauma, the foundation for these inherited assumptions is weakened or 'shattered.'" That is the mechanism behind the diagnostic criterion of persistent distorted negative beliefs such as "I am bad" and "the world is completely dangerous."

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The shared engine. The amygdala fires first and the frontal cortex is supposed to damp it; in PTSD that damping is dysregulated. Avoidance relieves distress now and reinforces the fear for next time, which is the loop exposure therapy is built to break.

03 Peplau’s four levels — the framework that decides what the nurse can do

Hildegard Peplau, a psychiatric mental health nurse theorist, described four levels of anxiety — mild, moderate, severe and panic — and the sourced reason to learn them is operational: "behaviors and characteristics can overlap across these levels, but it can be helpful to tailor interventions based on the level of anxiety the client is experiencing." Mild anxiety "can help an individual use their senses to perceive reality in sharp focus," with restlessness, irritability or tension-relieving behaviors such as finger tapping or nail biting that "do not significantly impair daily functioning."

At moderate anxiety the perceptual field narrows. The patient’s ability to observe their surroundings is diminished; they show selective inattention, "where only certain things in the environment are seen or heard unless they are pointed out." The ability to "think clearly, learn, and problem solve is hampered, but can still take place." The stress response is now physically obvious — perspiration, elevated heart rate and respiratory rate, headaches, gastric discomfort, urinary urgency, voice tremors and shakiness — "however, they may not be aware these symptoms are related to their level of stress and anxiety."

At severe anxiety the door closes. The perceptual field is "significantly diminished," the patient focuses on "either one specific detail or many scattered details," has "difficulty noticing what is going on in their environment, even if it is pointed out," and may appear "dazed or confused, exhibiting automatic behavior." The load-bearing sentence is this one: "learning, problem-solving, and critical thinking become impossible at this level." Symptoms intensify to hyperventilation, a pounding heart, insomnia and a sense of impending doom. Panic is "the most extreme level — the individual is unable to process information from the environment and may lose touch with reality," with pacing, running, shouting, screaming or withdrawal, possible hallucinations, and exhaustion. Distinguish the level from the event: "a panic attack is a specific, acute episode marked by defined symptoms and diagnostic criteria," while panic as a level is an intensity of experience.

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The four levels and the interventions each one permits. Once thinking and problem-solving become impossible, teaching and shared decision-making stop working — and the nurse switches to presence, simple directives and physical needs.

04 The clocks — 6 months, one month, four weeks, three days

Generalized anxiety disorder runs on six months. The criteria are excessive anxiety and worry on most days for at least 6 months, spread across several everyday events or activities; difficulty controlling the worry; at least 3 of 6 symptoms — restlessness or feeling on edge, tiring easily, trouble concentrating, irritability, muscle tension, and sleep problems; significant distress or impairment; and not attributable to a substance, medication or another medical condition. The six-month bar is itself a historical artefact worth teaching: DSM-III required only one month, but early studies suggested the disorder "seldom occurred in the absence of a comorbid anxiety or mood disorder," so later criteria lengthened the required duration to 6 months.

PTSD runs on more than one month, and acute stress disorder occupies the gap before it. PTSD Criterion A requires exposure to real or threatened death, injury, or sexual violence — directly, by witnessing, by learning it happened to a close relative or friend, or by indirect repeated exposure to distressing details as part of professional duty — and "this does not include exposure through television, movies, electronic devices, or pictures." Criterion F is the number: "persistence of symptoms in Criterion B, C, D, and E for more than 1 month." Acute stress disorder is symptoms "lasting from 3 days to 1 month after trauma exposure" — note the floor as well as the ceiling, since "transient distress, sleep disturbance, heightened startle, or intrusive thoughts are common in the first days after trauma" and are not a disorder.

The cluster thresholds are what an exam asks for, and they differ between the two diagnoses. PTSD requires at least one intrusion symptom, at least one avoidance symptom, at least two negative alterations in mood and cognition, and at least two alterations in arousal and reactivity. Acute stress disorder is structured differently: at least 9 symptoms pooled from any of five categories — intrusion, negative mood, dissociation, avoidance and arousal — with no per-cluster minimum. Two specifiers complete PTSD: delayed expression, where full criteria are not met until at or after 6 months and which is commoner in military members, and dissociative symptoms — depersonalization or derealization — in patients who "tend to have higher levels of exposure to childhood and/or adult sexual assault" and show "higher rates of functional impairment, psychiatric comorbidity, and suicidality."

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The clocks that sort trauma and worry. The first three days are normal distress, days 3 to 30 are acute stress disorder, beyond one month is PTSD with its own cluster thresholds — and generalized anxiety disorder runs on an entirely separate six-month clock.

Causes & risk factors

Modifiable factors are teaching targets — the patient can act on them.

Anxiety disorders are the most common mental health disorders in the United States, with about one in five adults reporting symptoms; women report more than men, and prevalence is higher among younger adults Genetics — generalized anxiety disorder occurs in approximately 25% of first-degree relatives of affected patients, and first-degree relatives of someone with panic disorder carry a 40% risk Female sex — generalized anxiety disorder prevalence is approximately twice as high among women as men and "females are known to be more predisposed" to PTSD after trauma Age of onset — the median age of onset of childhood anxiety is 11 years, about 1 in 4 adolescents experience anxiety between 13 and 18 Childhood abuse and adverse childhood experiences — named in the generalized anxiety etiology list, and the common thread across all these disorders; repeated exposure "can prolong this heightened stress response, rewiring the brain’s physiological reactivity and impairing emotional regulation" Stress and the presence of stressors, plus being unmarried, in poor health, or of low education — the sourced associations for generalized anxiety modifiable Substance use disorder — named in the generalized anxiety etiology list, and alcohol and other substance use is maladaptive coping that worsens every disorder here modifiable Medical conditions such as diabetes, and comorbid mental health conditions such as depression modifiable Intentional trauma — it "has been found to have a greater association with PTSD than accidental trauma or nonviolent trauma," and repeated trauma and longer exposure raise risk further Poor social support after the trauma — the pivotal modifiable factor: people with a well-established support system "are less likely to develop PTSD," and those who "feel isolated after trauma or have a poor social support system are more likely to develop an acute stress disorder and/or PTSD" modifiable Other PTSD risk factors — lower educational level, lower socioeconomic status, childhood adversity, physical injury including traumatic brain injury, and the initial severity of the reaction to the trauma Caffeine, decongestants, albuterol, over-the-counter cold medicines, illicit drugs and herbal supplements — named as both mimics and aggravators of anxiety modifiable

Signs & symptoms

Each finding tied to the mechanism that produces it — and the triage it calls for.

Somatic complaints, not psychological ones — shortness of breath, palpitations, fatigue, headache, dizziness, restlessness early Hold & notify

Why: "Patients with anxiety can pose a diagnostic challenge because somatic symptoms are more common than psychological symptoms. Most patients present with vague or nonspecific somatic concerns." From the panic side: "the vast majority of patients with panic disorder complain of chest pain, palpitations, or dyspnea on multiple occasions," and they "frequently shy away from care by mental health professionals and, instead, seek reassurance from specialty medical consultants."

Chest pain, palpitations or dyspnea in a patient with known anxiety or panic disorder Report immediately

Why: Work it up. Do not attribute it. Panic patients have "much higher lifetime rates of cardiovascular, respiratory, gastrointestinal, and other medical problems compared to the general population," and "there is a high risk of coronary artery disease in patients with panic disorder, and the risk of sudden death is increased compared to the general population." The sourced differential includes angina, congestive heart failure, pulmonary embolism, asthma and mitral valve prolapse.

A panic attack — an abrupt surge of intense fear peaking within minutes, with four or more defined symptoms Report immediately

Why: The thirteen sourced symptoms are palpitations or accelerated heart rate, sweating, trembling, shortness of breath or smothering, feelings of choking, chest pain, nausea or abdominal distress, dizziness or faintness, chills or heat sensations, paresthesias, derealization or depersonalization, fear of losing control, and fear of dying. The sources give no number beyond peaking within minutes — not ten minutes. A panic attack is not the same as panic disorder: attacks "can occur alongside other anxiety, mood, psychotic, and substance use disorder."

Unexpected panic attacks with no identifiable trigger Hold & notify

Why: "A hallmark feature of panic disorder is that attacks occur without warning. There is often no specific trigger," and patients "self-perceive a lack of control." They experience the fear "in a physical manner as opposed to a cognitive one." Frequency ranges from several times a day to a few attacks a year. The fear then feeds itself: many people with panic disorder worry intensely about when the next attack will come and change their lives to avoid another one — including avoiding places where attacks have happened — and for some this fear of future attacks can lead to ongoing anxiety (NIMH).

The six generalized anxiety symptoms — restlessness, easy fatigue, poor concentration, irritability, muscle tension, sleep problems Hold & notify

Why: Excessive worry is "the central feature," present on most days for at least six months and difficult to control, with at least three of the six accompanying symptoms. The patient often does not connect the physical findings to anxiety at all — at moderate levels "they may not be aware these symptoms are related to their level of stress and anxiety."

Intrusive memories, nightmares and flashbacks after a trauma Hold & notify

Why: The PTSD intrusion cluster. Dissociative reactions such as flashbacks are those "in which the individual may feel or act that the traumatic event is happening again," on a continuum "from brief responses to complete loss of awareness of oneself or the surroundings." Intense psychological distress and marked physiological reactivity — rising heart rate and blood pressure — occur on exposure to reminders.

Avoidance of memories, thoughts, people, places or conversations connected to the trauma Expected

Why: This is a symptom, not a choice, and treating it as non-compliance damages the relationship. The sourced instruction to nurses is explicit: "it is not uncommon to have feelings of frustration, especially if you feel as if the symptoms are a matter of choice or under the client’s control. The client often acknowledges the fear is unrealistic or exaggerated but continues to engage in avoidant behavior. Recall that avoidant behavior is a symptom, and behavioral changes are accomplished slowly with treatment."

Persistent distorted negative beliefs — "I am bad," "the world is completely dangerous" — with self- or other-blame and emotional numbing Hold & notify

Why: The negative-alterations cluster, which needs at least two of seven: dissociative amnesia for part of the event, distorted negative beliefs, distorted blame, a persistent negative emotional state of fear, guilt, anger or shame, markedly diminished interest, feeling alienated or detached from others, and a persistent inability to experience positive emotion. The mechanism is the shattering of the pre-trauma assumptions that the world is benevolent and meaningful and the self is worthy.

Hypervigilance, exaggerated startle, irritable or aggressive outbursts, and reckless or self-destructive behavior Report immediately

Why: The arousal and reactivity cluster, which also needs at least two of six, adding concentration problems and sleep disturbance. On examination this shows as "increased heart rate, elevated blood pressure, muscle tension, and disrupted sleep patterns," and these findings appear or intensify "while discussing the trauma specifically or during flashbacks." Reckless or self-destructive behavior is a criterion symptom and should be assessed as such, not as a personality trait.

Depersonalization or derealization — feeling outside one’s own body, or that things are not real Hold & notify

Why: The dissociative specifier in PTSD, and one of the five symptom categories in acute stress disorder, described as an altered sense of reality — "seeing oneself from another’s perspective, being in a daze, or perceiving slowed time." Dissociation is "a break in how a person’s mind handles information, causing disconnection from their thoughts, feelings, memories, and surroundings," and unwanted touch can trigger it.

Selective inattention — the patient hears only some of what is said, even when it is pointed out Hold & notify

Why: The bedside marker that anxiety has reached the moderate level and is heading for severe. At moderate level the patient shows "selective inattention where only certain things in the environment are seen or heard unless they are pointed out"; at severe level they have "difficulty noticing what is going on in their environment, even if it is pointed out," and may appear "dazed or confused, exhibiting automatic behavior." This is the signal to stop teaching and start directing.

Constant pacing or motor restlessness that does not settle with intervention Report immediately

Why: A panic-level behavior alongside running, shouting, screaming or withdrawal, in which "acute panic can lead to exhaustion." The sourced nursing response is physical rather than verbal: fluids to prevent dehydration, blankets for warmth, rest to prevent exhaustion — and "if a person continues to constantly move or pace despite interventions, high-calorie finger foods may be offered to maintain their nutrition."

PTSD in a child under 6 — bedwetting after toilet training, loss of speech, acting the event out in play, unusual clinginess Hold & notify

Why: The criteria themselves accommodate this: intrusive memories may appear as repetitive play in children over 6. Older children and teens "may also develop disruptive, disrespectful, or destructive behaviors," may show hypersexual behavior if the trauma was a sexual assault, and "may feel guilty for not preventing injury or death and may have thoughts of revenge."

Anxiety in a child who is quiet, compliant and eager to please Hold & notify

Why: "Because anxious children may also be quiet, compliant, and eager to please, their feelings of anxiety can be easily missed." It may instead show as irritability and anger, or as fatigue, headaches, stomachaches or trouble sleeping. The sourced nursing rule is to look outward first: "determine if conditions in the child’s environment are causing this feeling — is the anxiety resulting from being bullied or from adverse childhood experiences? If so, protective interventions should be put into place."

An older adult who says "worried," "nervous" or "tense" rather than anxious Hold & notify

Why: "Some older adults may view anxiety or expression of their emotions as a personal weakness due to generational beliefs," and "symptoms of anxiety may be mistaken for signs of early dementia, such as restlessness and difficulty concentrating." Hearing or memory issues may affect how they answer, so allow more time. Loss of a spouse or friends and chronic illness compound it, along with "fear of falling, losing autonomy, or being placed in a long-term care setting."

Ataques de nervios — uncontrollable shouting, crying attacks, trembling and heat in the chest rising to the head Report immediately

Why: A sourced culture-mediated presentation "that may be exhibited in Hispanic populations," described as distress "characterized by a general sense of being out of control." Suicidal gestures, seizures or fainting episodes may be observed, and it typically follows "a distressing event such as an interpersonal conflict or the death of a loved one." It is a presentation to recognise, not a symptom to correct.

Diagnostics

Test In this disorder Normal

Rule out the body first There is no test that makes any of these diagnoses — the investigations exist to exclude the mimics, not to confirm the disorder. For panic disorder the sourced statement is categorical: "there are no specific laboratory, radiographic, or other tests required to diagnose panic disorder." The same logic governs the trauma disorders, where VA/DoD 2023 places diagnosis with a validated structured clinician-administered interview (Rec 2) rather than with any laboratory value Thyroid function tests · blood glucose · toxicology screen · echocardiography where indicated. The nursing text names the conditions being excluded: hyperthyroidism, hypoglycemia, hypercalcemia, hyperkalemia, hyponatremia or hypoxia —

The generalized anxiety differential Thyrotoxicosis appears on this differential and on the bipolar one, which is why a thyroid-stimulating hormone level belongs in almost every new psychiatric workup. Note that two items — decongestants and albuterol — are things the patient may be buying or inhaling for something else entirely Hyperthyroidism · pheochromocytoma · chronic obstructive pulmonary disease · transient ischemic attack · epilepsy · bipolar disorder · use of caffeine, decongestants and albuterol —

The panic differential — an emergency-department problem The reason this list matters is mortality, not thoroughness. Panic disorder carries "a high risk of coronary artery disease" with "the risk of sudden death increased compared to the general population," and named comorbidities include asthma, COPD, irritable bowel syndrome, hypertension and mitral valve prolapse. A prior diagnosis of panic disorder is not protective Angina · asthma · congestive heart failure · mitral valve prolapse · pulmonary embolism · substance use disorder · other mental health disorders associated with panic attacks —

Screening instruments — by name, and without a score One cut-off on this page is sourced and no other is. VA/DoD 2023 suggests the PC-PTSD-5 for screening (Rec 1, Weak for), recording that validation found "a score of three as maximally sensitive and four as maximally efficient" — and, in the same passage, that "no screening measure or cutoff point should be the sole basis for diagnosis." Quote the number only with that sentence attached, and do not attach a cut-off to GAD-7 or PCL-5, because none is sourced here. Confirmation belongs to a validated structured clinician-administered interview (Rec 2, Weak for), and tracking change over time to a validated instrument such as the PCL-5 (Rec 3, Weak for). The psychiatric evaluation "is the most important component of diagnosing PTSD" GAD-7 for generalized anxiety, "validated as a diagnostic and severity assessment tool" and usable to monitor. For PTSD: the PTSD Checklist for DSM-5 (PCL-5), the Trauma Symptom Checklist-40, the Primary Care PTSD Screen for DSM-5 (PC-PTSD-5), and the Clinician-Administered PTSD Scale as a 30-item structured interview. For PTSD screening specifically, VA/DoD 2023 suggests the PC-PTSD-5 (Rec 1, Weak for) — a five-item questionnaire whose validation found "a score of three as maximally sensitive and four as maximally efficient" — and immediately adds the sentence that governs every number on this page: "no screening measure or cutoff point should be the sole basis for diagnosis." For confirming the diagnosis it suggests a validated structured clinician-administered interview (Rec 2), and for tracking change over time a validated instrument such as the PCL-5 (Rec 3) —

How to ask about trauma The rule that changes practice: "the specific details of the trauma are usually NOT necessary for obtaining a PTSD diagnosis." Details are needed only for certain psychotherapies, "which the patient should consent to before initiating." Respect patient boundaries and ask how deeply or superficially the patient prefers to discuss the topic, and in sexual-assault trauma consider the gender of provider and patient, since many survivors "may have difficulty being in an interview room alone with the gender of their perpetrator" Four general screening questions: "Do you think about the traumatic event more than you would like to?" · "Do you have nightmares or flashbacks related to the trauma?" · "Do you avoid people or triggers associated with the trauma?" · "Are you struggling with feelings of persistent sadness?" —

The PTSD mental status examination On insight: patients "commonly have a fair understanding of their illness, although specific populations may minimize their symptoms." Assess whether the PTSD is current — "over time, patients may no longer meet the diagnostic criteria," and some "may over-attribute PTSD as a primary disorder despite no longer meeting the diagnostic criteria" Appearance — "scars, wounds, and other deformities may be present due to prior traumatic experiences." Behavior — hypervigilance; observe eye contact. Affect — fearful, anxious, apathetic or depressed, and often "constricted affect consistent with feeling numb." Thought content — assess suicidal ideation and self-harm —

Safety assessment after trauma Available supports is a clinical variable here, not a social nicety: people with a well-established support system "are less likely to develop PTSD," and those who feel isolated are "more likely to develop an acute stress disorder and/or PTSD." Note also that "patients may initially find it difficult to describe their experiences, and more than 1 assessment may be needed." The Patient Safety Screener is named as a brief suicide-risk screen for acute care settings Assess suicidal ideation, intent, plan, prior self-harm, agitation, severe insomnia, substance use, and available supports —

Distinguishing PTSD from its look-alikes Traumatic brain injury is on the acute-stress differential and is easy to miss after the same collision that caused the psychological trauma. Complex PTSD is described as an ICD construct adding persistent disturbances in self-organisation to core PTSD symptoms; major depressive disorder is usually comorbid rather than exclusive Acute stress disorder — heavy symptom overlap, so "the onset and duration of the symptoms help in making the final diagnosis." Dissociative disorders — present without the other PTSD symptomatology. Adjustment disorder — symptoms in response to an identifiable stressor that need not be trauma, occurring within 3 months and not persisting more than a further 6 months. Brief psychotic disorder — under 1 month but defined by delusions, hallucinations or disorganized speech, which are "not typical of ASD" —

Complications

Suicide risk across all three disorders Report immediately

"Untreated anxiety disorders may contribute to severe depression and alcohol or other substance use disorders. Patients with anxiety disorders also have an increased risk of suicide." Panic disorder "is associated with a higher risk of suicidal ideation," and "the suicide rate is much higher in patients with panic disorder." PTSD can "lead to an increased risk of suicide."

Hospitalization is uncommon in anxiety disorders and suicidality is the reason it happens: "people with anxiety disorders rarely require hospitalization unless they are suicidal," and in panic disorder "because of the risk of suicide, some patients may need inpatient monitoring until the symptoms have subsided." Non-suicidal self-injury — "intentional self-inflicted destruction of body tissue without suicidal intention," a maladaptive coping strategy — is common among adolescents and young adults in psychiatric inpatient settings and is assessed separately. The full assessment sequence and safety planning belong to the Depression page.

Cardiac events in panic disorder Report immediately

"There is a high risk of coronary artery disease in patients with panic disorder, and the risk of sudden death is increased compared to the general population." These patients also carry "much higher lifetime rates of cardiovascular, respiratory, gastrointestinal, and other medical problems."

The clinical consequence is a rule about attribution. Chest pain, palpitations and dyspnea are simultaneously the commonest panic symptoms and the presentation of angina, heart failure and pulmonary embolism — all three of which are on the sourced panic differential. A diagnosis of panic disorder in the chart raises the cardiac risk rather than lowering it, so new or changed chest pain gets a work-up, not a reassurance.

Chronic PTSD

"Chronic PTSD is common, with estimates that one-third of patients still have symptoms 1 year after diagnosis, and another third of patients still have symptoms 10 years after diagnosis." It is "often accompanied by depression, substance abuse, or other anxiety disorders," with "high rates of comorbid psychiatric disorders."

Against that, two sourced counterweights belong in the same conversation. Most trauma survivors never develop PTSD — "in fact, most people will not develop the disorder" — and "those who engage in PTSD treatments tend to have improved outcomes compared to those who do not engage in treatment." Posttraumatic growth — positive changes in self-perception, relationships and philosophy of life — is described honestly as "optimal but not a guaranteed outcome; in fact, it may even be an uncommon outcome," so it is offered as a possibility and never as an expectation placed on a survivor.

Substance use as self-treatment Hold & notify

Drug or alcohol use disorder is on the sourced complication list for generalized anxiety, and maladaptive coping is defined to include "misuse of alcohol or other substances." Benzodiazepines carry their own dependence risk on top of it.

This is why the benzodiazepine decision is a substance-use decision. "Because of the potential for misuse and dependence, benzodiazepines may be inappropriate for patients with a history of alcohol or other substance use disorder," and they are "typically prescribed for short periods of time, especially for people who have a history of substance use disorders." Note also that anxiety is a documented early symptom of alcohol withdrawal, and that sedative-hypnotic withdrawal is a physiological withdrawal, not merely rebound anxiety.

Underdiagnosis, and a guarded prognosis

"Overall, anxiety disorders are underdiagnosed and undertreated." Avoidance is part of why: it removes the distress in the short term and so keeps the person away from the evidence that would correct the fear.

The prognosis statements are unusually blunt and worth quoting to set expectations. For generalized anxiety: "the prognosis for patients with generalized anxiety disorder is guarded. Many patients have difficulty adhering to prescribed medications because of cost and adverse effects. Relapses are common," and "because conventional treatments do not cure the disorder, many patients pursue alternative therapies, often without substantial benefit." For panic disorder: only about 60% achieve remission within 6 months, combined pharmacotherapy and CBT "works in about 80% of patients, but relapses are common," and about 20% continue to have symptoms that lead to poor quality of life.

Medications for this condition

Why each class is prescribed here — every card links to its full pharmacology page.

SSRIs First-line

Nervous · sertraline

First-line across this whole page, and the sources give the mechanism that justifies it. In generalized anxiety: "reduced serotonergic activity and increased noradrenergic activity may contribute to the development of generalized anxiety disorder. Consequently, SSRIs and SNRIs are first-line medications for treatment." In panic disorder: "SSRIs are considered the first-line treatment option," and they are "recommended over monoamine oxidase inhibitors and tricyclic antidepressants." In PTSD the naming is a guideline recommendation, not a labelling accident: VA/DoD 2023 recommends paroxetine, sertraline or venlafaxine (Rec 15, STRONG for) — two SSRIs and one SNRI, named together at the same strength. Sertraline and paroxetine are also the FDA-cleared agents, and the carrier adds that "there is no strong evidence to differentiate the effectiveness of specific SSRIs and SNRIs." Set the expectation honestly on both effect size and time. Response rates in generalized anxiety are 30% to 50%, with escitalopram, duloxetine, venlafaxine extended-release and paroxetine named as first-line agents. On timing, what is sourced here is "gradual dose titration and continuation for at least 4 weeks to assess effectiveness," then "once symptoms are controlled, treatment should continue for at least 12 months, followed by gradual tapering" — and the nursing version, that antidepressants "can take several weeks to reach their optimal effectiveness, so it is important to teach clients to give the medication appropriate time before reaching a conclusion about its effectiveness." Combination beats either alone in children: 81% of children with anxiety disorders who received combined sertraline and cognitive behavioral therapy responded. Do not stop abruptly — antidepressants "should be tapered off slowly to safely decrease the dose because stopping them abruptly can cause withdrawal symptoms." Monitor the metabolic consequences, because "adverse effects, including weight gain, hyperlipidemia, and diabetes, may occur with some medications." Two supplement interactions belong to the disorder-side conversation: kava may cause liver injury, while St John’s wort and 5-hydroxytryptophan may interact with SSRIs and precipitate serotonin syndrome. The Depression page owns the antidepressant boxed warning, the antidepressant onset window and serotonin-syndrome recognition.

Benzodiazepines

Nervous · diazepam

❗ THE PTSD CARVE-OUT COMES FIRST, because it reverses everything that follows. VA/DoD 2023 recommends AGAINST benzodiazepines for the treatment of PTSD — a STRONG recommendation against (Rec 19) — and for acute stress disorder finds insufficient evidence to recommend for or against any pharmacotherapy (Rec 6). (The same guideline recommends against cannabis or cannabis derivatives for PTSD, Rec 20, Strong against.) So a benzodiazepine reached for in the hours or weeks after a trauma is not a gap in the plan being filled; it is a recommendation being crossed. Everything below applies to the ANXIETY disorders on this page, not to PTSD or ASD. Precisely positioned there: second-line for long-term use, first choice for immediate relief. The sourced wording is worth keeping intact — "benzodiazepines are prescribed for their immediate effect in relieving anxiety. For long-term use, benzodiazepines are considered a second-line treatment for anxiety, with antidepressants or buspirone considered first-line treatment, as well as an as-needed treatment for any distressing flare-ups of symptoms. These drugs are known for their rapid onset." The disorder-side rationale for the commonest real-world use is the bridging role: in panic disorder with severe symptoms or comorbidity, "it is preferred that a benzodiazepine such as alprazolam is used until the anti-depressants take effect" — the benzodiazepine covers the SSRI’s weeks-long onset lag, then comes off. Tolerance and dependence are the reason the course is short: "people can build up a tolerance if taken over a long period of time, and they may need higher and higher doses to get the same effect. Benzodiazepines are a Schedule IV controlled substance because they have a potential for misuse and can cause dependence," so they are "typically prescribed for short periods of time, especially for people who have a history of substance use disorders." Withdrawal is physiological and specific: "sleep disturbances, irritability, increased tension and anxiety, hand tremors, sweating, difficulty concentrating, nausea and vomiting, weight loss, palpitations, headache, muscular pain, and perceptual changes" — so "benzodiazepines should be tapered off slowly." The boxed warning covers three distinct hazards: concurrent use with opioids may result in profound sedation, respiratory depression, coma and death; use "exposes users to risks of misuse, substance use disorder, and addiction"; and "abrupt discontinuation or rapid dosage reduction may precipitate life-threatening withdrawal reactions." Children and older adults are more susceptible to sedation and respiratory depression and may have paradoxical reactions — tremors, agitation or visual hallucinations — and benzodiazepines may cause fetal harm in pregnancy. On overdose: central nervous system depression "ranging from drowsiness to coma," treated mainly supportively with airway protection, with flumazenil available but carrying a seizure risk, particularly in chronic users.

SNRIs

Nervous · venlafaxine

First-line alongside SSRIs, not a fallback. In generalized anxiety, SSRIs and SNRIs together are named first-line, with duloxetine and venlafaxine extended-release among the specific first-line agents. In PTSD, do not file venlafaxine under "off-label alternative." VA/DoD 2023 recommends paroxetine, sertraline OR venlafaxine (Rec 15, STRONG for) — venlafaxine sits inside the first-line recommendation at full strength, alongside the two SSRIs, even though the FDA clearance belongs to the SSRIs. Other agents in the class have no strong evidence differentiating them. The disorder-side reasoning is the same mechanism statement that drives the SSRI role: the serotonin and noradrenergic systems are the common pathways involved in anxiety, and an agent acting on both is a rational first choice rather than a second-tier one. The monitoring point that separates SNRIs from SSRIs on a nursing page is blood pressure — the Depression page carries the sourced caution to check it before starting and routinely thereafter, and it applies here unchanged. The class page owns the pharmacology.

Beta-Blockers

Cardiovascular · metoprolol

A genuinely different kind of answer: treat the body, not the thought. "Although beta-blockers are typically used to treat high blood pressure and other cardiac conditions, they can also be used to help relieve the physical symptoms of anxiety, such as rapid heartbeat, shaking, trembling, and flushing. These medications, when taken for a short period of time, can help people keep their physical symptoms under control. Beta-blockers can also be used as-needed to reduce acute anxiety or as a preventive intervention for predictable forms of performance anxieties — for example, some students who experience severe test anxiety that impairs their exam performance may take prescribed beta-blockers before their exams." Why the class earns a place here is what it does not do: it treats the peripheral symptoms without touching cognition or sedation, which is what makes an as-needed dose before a predictable performance situation workable. The cautions are short and have an awkward overlap with this population: common effects are "fatigue, hypotension, dizziness, weakness, and cold hands," and beta-blockers "are typically avoided in clients with asthma or diabetes" — and asthma and COPD are named comorbidities of panic disorder, so the patient most likely to want a beta-blocker for their heart racing may be the patient who should not have one.

Tricyclic Antidepressants (TCAs)

Nervous · amitriptyline

Present on this page only as a class that has been displaced, and the ledger supports nothing more. The two sourced statements are comparative and negative: "SSRIs are recommended over monoamine oxidase inhibitors and tricyclic antidepressants" in panic disorder, and tricyclics and monoamine oxidase inhibitors are "less commonly used treatments for anxiety disorders" — described as older classes of antidepressants. No positive therapeutic role for a tricyclic in anxiety appears in the sources behind this page, so none is written here. The practical teaching is the positioning itself: when a student meets a tricyclic on an anxiety question, the expected answer is that an SSRI or SNRI comes first. The class page and the Depression page own the class facts, including the overdose-lethality profile that makes prescribing decisions in a population with elevated suicide risk consequential.

Beyond medications

Psychotherapy is the backbone, and combination is often best. "The 2 main treatments for generalized anxiety disorder are cognitive behavioral therapy and medications. Patients may benefit most from a combination of the 2. Determining the most effective treatment may require several therapeutic trials." CBT "includes psychoeducation, modification of maladaptive thought patterns, and gradual exposure to anxiety-provoking situations," while dialectical behavior therapy "assists individuals to develop distress tolerance skills and emotional regulation skills."
Exposure therapy and systematic desensitisation are not the same thing. Exposure therapy "focuses on confronting the fears underlying an anxiety disorder to help people engage in activities they have been avoiding," and can be combined with relaxation exercises and imagery. Systematic desensitization, "particularly helpful with phobias," is "a graduated exposure therapy conducted at a very slow pace" used with relaxation techniques and imagery. Both work on the conditioned-fear mechanism by producing fear extinction.
Psychotherapy is not merely preferred — VA/DoD 2023 recommends it OVER medication, and that is a STRONG recommendation (Rec 7): "we recommend individual psychotherapies… over pharmacologic interventions for the treatment of PTSD." Three named trauma-focused psychotherapies carry the same STRONG grade (Rec 8): "we recommend the individual, manualized trauma-focused psychotherapies for the treatment of PTSD: Cognitive Processing Therapy, Eye Movement Desensitization and Reprocessing, or Prolonged Exposure." A second tier is suggested (Rec 9, Weak for) — Ehlers’ Cognitive Therapy for PTSD, Present-Centered Therapy, or Written Exposure Therapy. The carrier adds that when compared with pharmacotherapy "there may be slightly improved outcomes with therapy," and that patients "should be offered a choice of treatment preference between the two modalities," with consent for any treatment. But sequence matters: "patients with severe symptoms or comorbid illness may not be able to engage in meaningful therapy treatments initially and can be started on a medication treatment plan with an intent to integrate therapy in the future when the patient is more clinically stable." On EMDR, the honest framing is sourced: it "has been shown to desensitize traumatic memories and has improved the appraised validity of a positive self-belief," but "the therapeutic neural mechanisms of EMDR remain unclear."
Early intervention after trauma — what to do, and the one thing not to do. In the first hours to days the priorities are "physical safety, urgent medical and psychiatric risk assessment, stabilization, practical support, and connection with family, clinicians, or community resources," then "ensure safety and comfort, reduce intense arousal, support connection with family or trusted community resources, provide practical help, offer clear psychoeducation about common stress reactions, and encourage a gradual return to safe routines. Scheduled follow-up is useful because symptoms may change over the first month." For a patient who actually meets acute stress disorder criteria, the 2023 VA/DoD Clinical Practice Guideline, as reported by StatPearls, SUGGESTS trauma-focused cognitive behavioral psychotherapy to reduce the risk of later PTSD — explicitly a WEAK recommendation. And the thing not to do: "single-session psychological debriefing that requires a detailed trauma narrative should be avoided; Veterans Affairs and Department of Defense guidance do not support it as a preventive intervention, and it may worsen outcomes in some patients."
Watchful waiting is a legitimate plan, not an absence of one. "Mild, nonimpairing acute stress symptoms may be treated with supportive contact, watchful waiting, and scheduled follow-up, often within 1 to 4 weeks, with earlier reassessment if symptoms worsen or safety concerns emerge," with "a smooth transition to PTSD-focused evaluation and treatment when symptoms persist beyond 1 month." The reason it is legitimate: "most people exposed to trauma improve without formal psychotherapy, so early care should not pathologize every normal acute reaction."
Trauma-informed care — SAMHSA’s six core principles, as relayed by the nursing text. Safety — clients and staff feel physically and psychologically safe. Trustworthiness and transparency — decisions made with transparency to build and maintain trust. Peer support — people with shared experiences integrated into the organization. Collaboration and mutuality — power differences levelled to support shared decision-making. Empowerment, voice and choice — strengths recognised and validated, "including a belief in resilience and the ability to heal from trauma." Cultural, historical and gender issues — biases and stereotypes recognised and addressed. Its goals are to "avoid re-traumatization; emphasize survivor strengths and resilience; aid empowerment, healing, and recovery; and promote the development of survivorship skills."
Breathing training is a panic-specific therapy with a physiological target: "a method of reducing panic symptomatology by utilizing capnometry biofeedback to decrease the number of episodes of hyperventilation." The same slow-breathing techniques benefit asthma and hypertension, and "anxiety and stress-reduction techniques can lower adverse outcomes in cardiovascular illness by decreasing sympathetic activity."
Lifestyle, sleep and supports. "Research suggests that aerobic exercise can help some people manage their anxiety," alongside "meditation, yoga, journaling, prayer, or spending time in nature," and the clinical instruction to limit caffeine, alcohol and nicotine while improving sleep. Sleep hygiene as taught: a regular bedtime, seven to eight hours, no television, phones or computers in the bedroom, winding down an hour or two beforehand, no heavy meal or intense exercise immediately before bed, and writing worries down rather than lying in bed with them. Support groups help "by sharing their problems and achievements with others experiencing similar symptoms." Plain-text pharmacology without a class page: buspirone is "a nonbenzodiazepine anxiolytic that does not cause dependence, causes less sedation than benzodiazepines, and does not lead to tolerance at therapeutic doses," but its "therapeutic onset of 2 to 3 weeks limits its usefulness when rapid symptom relief is needed" and it is not useful on an as-needed basis — and it must not be combined with a monoamine oxidase inhibitor, and can cause serotonin syndrome with MAOIs, SSRIs or SNRIs. Hydroxyzine, an antihistamine, may be used where benzodiazepines are not appropriate, is sedating, and is recommended for short-term use only. Prazosin needs its split stated, because the two halves point opposite ways. VA/DoD 2023 suggests AGAINST prazosin for PTSD as a whole (Rec 18, Weak against) while suggesting prazosin for nightmares associated with PTSD (Rec 32, Weak for) — so the indication is the symptom, not the disorder. The carrier agrees it is used off-label with "mixed results… and the findings are inconsistent." Clonidine is occasionally used similarly — monitor blood pressure and avoid sudden discontinuation to prevent rebound hypertension. Quetiapine is not an answer here: VA/DoD 2023 is neither for nor against it (Rec 16) and suggests against it for augmentation (Rec 22).

Nursing considerations

The RN-specific layer — each action paired with the reason it matters.

Assessment & monitoring

Identify which of Peplau’s four levels the patient is at before choosing any intervention.

Why: The levels are not descriptive labels, they are a capability assessment. At moderate level thinking and problem-solving are "hampered, but can still take place"; at severe level "learning, problem-solving, and critical thinking become impossible"; at panic level the person "is unable to process information from the environment." Teaching, choices and shared planning all stop working somewhere between moderate and severe, and "clients with severe anxiety or panic may not be able to participate in planning and rely on the nurse to take a directive role."

Treat new chest pain, palpitations or dyspnea as cardiac until worked up, whatever the psychiatric history says.

Why: Panic disorder carries "a high risk of coronary artery disease" and an increased risk of sudden death, and the sourced differential includes angina, congestive heart failure and pulmonary embolism. Patients themselves "frequently shy away from care by mental health professionals and instead seek reassurance from specialty medical consultants" — which means the somatic presentation is the one you will meet.

Ask about trauma generally, and do not press for the narrative.

Why: "The specific details of the trauma are usually not necessary for obtaining a PTSD diagnosis." Use the four screening questions, respect the boundaries the patient sets on how deeply to discuss it, and note that in sexual-assault trauma the gender of provider and patient matters because survivors "may have difficulty being in an interview room alone with the gender of their perpetrator." More than one assessment may be needed.

Screen for suicidal ideation, intent, plan, prior self-harm, agitation, severe insomnia, substance use and available supports after any trauma.

Why: All eight are on the sourced safety-assessment list. Available supports is a risk variable, not a social note — isolation after trauma makes acute stress disorder and PTSD more likely. Introduce the screening in a way that "helps the client understand its purpose and normalize questions that might otherwise seem intrusive." Assess non-suicidal self-injury separately, since it is destruction of body tissue without suicidal intent.

Name the instruments. Quote a cut-off only where one is sourced, and never on its own.

Why: GAD-7, PCL-5, PC-PTSD-5 and the Clinician-Administered PTSD Scale are sourced by name and purpose. Only one cut-off on this page is sourced at all: VA/DoD 2023 records PC-PTSD-5 validation finding "a score of three as maximally sensitive and four as maximally efficient" — and states in the same passage that "no screening measure or cutoff point should be the sole basis for diagnosis." Never quote the number without that sentence, and do not attach a cut-off to GAD-7 or PCL-5, because none is sourced here. The framing is the safeguard: "no screening measure or cutoff point should be the sole basis for diagnosis."

In a child, look at the environment before labelling the anxiety; in an older adult, use their own word for it.

Why: Anxious children "may also be quiet, compliant, and eager to please," so their anxiety is easily missed, and the sourced first question is whether it comes from bullying or adverse childhood experiences, in which case "protective interventions should be put into place." Older adults "may not use the word anxiety, but may instead describe feeling worried, nervous, or tense," may see emotional expression as weakness, and their restlessness and poor concentration may be mistaken for early dementia.

Interventions & safety

At mild to moderate anxiety: provide a calm presence in a quiet environment, acknowledge the distress, listen actively, and revisit previously successful coping strategies.

Why: These interventions "reduce a client’s anxiety level and prevent escalation." Therapeutic techniques named are open-ended questions, distraction, exploring and seeking clarification. Physical activity is a sourced intervention at this level too — encourage the mildly anxious client to walk or play ping-pong, since activity "may provide relief from tension and increase endorphin levels."

At severe to panic level: remain with the client, use firm, short, simple statements in a slow, low-pitched voice, and meet physical needs first.

Why: The single highest-yield nursing paragraph on this page. The patient "is often unable to solve problems or grasp what is going on in the environment," so communication focuses on helping them feel safe. Priority interventions are physical: fluids to prevent dehydration, blankets for warmth, rest to prevent exhaustion — and "if a person continues to constantly move or pace despite interventions, high-calorie finger foods may be offered to maintain their nutrition."

Practise trauma-informed care with every patient, not only those with a known trauma history.

Why: The eight sourced behaviours: introduce yourself and your role every time (when one party is nameless "there can be an automatic power differential"); use open, nonthreatening body positioning, sitting at or below the client’s level or raising the bed so you are level, with both of you able to reach the exit; give anticipatory guidance before procedures, because "past trauma is often associated with unexpected and unpredictable events"; ask before touching — all clients — and watch for "eye tearing, flinching, shrinking away"; protect privacy by asking in private whom the client wants present and asking others to leave yourself rather than making the client do it; give clear consistent messaging; use plain language and teach-back; and apply this as universal precaution.

If anxiety keeps escalating, escalate deliberately: medication, quiet room, seclusion or restraint under policy and ANA guidance.

Why: "If a client’s anxiety continues to escalate and they become severely agitated, measures must be taken to keep them and others safe," and "a person who is out of control may require physical or chemical restraints to be safe," with organisational policy and documentation requirements applying. Restraint is the last option on the list and it carries its own harms — everything above it on this page, from staying with the patient to meeting physical needs, exists to make it unnecessary. De-escalation technique itself is taught on the Behavioral Emergencies & Violence Risk page rather than here.

Patient & family teaching

Teach the patient to recognise and name the symptom as anxiety.

Why: Naming is itself therapeutic here: "for some individuals, even being aware that something is a symptom of anxiety, naming it, and connecting it to anxiety can help reduce the intensity of the anxiety." In panic disorder the effect is explicit — "if a patient is not aware of these symptoms, it is probable that he would fear his condition more and would tend to get frequent attacks," and "the patient needs a thorough education on the disorder and understands that the symptoms are not life-threatening."

Set the medication timeline before the first dose: at least 4 weeks before judging whether it works, and at least 12 months of treatment once symptoms are controlled.

Why: The sourced figures are "continuation for at least 4 weeks to assess effectiveness" and "at least 12 months, followed by gradual tapering," with the nursing instruction that antidepressants "can take several weeks to reach their optimal effectiveness, so it is important to teach clients to give the medication appropriate time before reaching a conclusion about its effectiveness." Also teach not to stop abruptly, since that can cause withdrawal symptoms.

For a benzodiazepine: no driving or machinery for 24 to 48 hours, no alcohol for 24 to 48 hours, and call for help before getting out of bed.

Why: All three are sourced. Hazardous activities "requiring attention and coordination should be delayed for 24 to 48 hours following administration"; alcohol should not be consumed for at least the same period "due to the additive effects on central nervous system depression"; and "hospitalized clients should be advised that benzodiazepines increase fall risk, and getting out of bed unassisted may result in falling and potential injury if undertaken within eight hours of taking benzodiazepines."

Teach why the benzodiazepine is short-term, rather than leaving the patient to discover it at the refill.

Why: Tolerance develops with long-term use "and they may need higher and higher doses to get the same effect"; they are a Schedule IV controlled substance; and abrupt discontinuation may precipitate life-threatening withdrawal reactions, so a gradual taper is required. Framed as "this is covering you until the other medicine works," the short course makes sense; framed as a refusal to refill, it does not.

Teach the coping and lifestyle set, and be specific about caffeine and sleep.

Why: Sourced adaptive coping is problem-focused (seeking counselling or CBT) and emotion-focused — "mindfulness, meditation, or yoga; using humor and jokes; seeking spiritual or religious pursuits; engaging in physical activity or breathing exercises; and seeking social support." Sourced maladaptive coping is avoidance, withdrawal, disengagement, and misuse of alcohol or other substances. Limit caffeine, alcohol and nicotine, improve sleep, and know that over-the-counter cold medicines and herbal supplements may aggravate anxiety or interact with prescribed medication.

Tell trauma survivors and their families what is normal in the first days, and what would need a second look.

Why: "Transient distress, sleep disturbance, heightened startle, or intrusive thoughts are common in the first days after trauma" and are not a disorder; "most people exposed to trauma improve without formal psychotherapy"; and "not everyone who lives through a dangerous event develops PTSD. In fact, most people will not develop the disorder." The return criterion is concrete: symptoms persisting beyond one month need PTSD-focused re-evaluation, with scheduled follow-up in the meantime, often within 1 to 4 weeks.

Ask the cultural and spiritual assessment questions, especially before calling a belief or a presentation pathological.

Why: The sourced questions are "What do you call these feelings or symptoms in your own words or language?", "Do you believe your anxiety is related to physical health, spiritual issues, or emotional distress?" and "Are there any traditional practices, herbs, or dietary supplements you have tried to use to manage it?" — the last of which is also a drug-interaction question. The FICA tool covers faith, importance, community and how to address it in care, and nurses "may recognize cues of spiritual distress or beliefs in divine punishment that may exacerbate feelings of anxiety."

How a real nurse thinks

The clinical-judgment loop, worked for a typical presentation — reasoning, not reference.

1
Recognize cues

Two separate things are happening and both need naming. The acute event is a panic attack: an abrupt surge of intense fear peaking within minutes, with palpitations, chest tightness, dyspnea, trembling, sweating, paresthesias, depersonalization and a fear of dying — well past the threshold of four or more of the thirteen defined symptoms. The background is a trauma syndrome on the clock: intrusion, avoidance, and arousal symptoms beginning within days of a qualifying trauma, now at day 3, which is the floor of the 3-day-to-1-month acute stress disorder window — not PTSD, which requires more than one month. Her anxiety level is severe to panic: she answers only some questions, repeats one phrase, and does not respond to reorientation, which is exactly the sourced description of a "significantly diminished" perceptual field with automatic behavior. And two risk cues are quietly important: she lives alone and has told nobody, and poor social support after trauma raises the risk of both acute stress disorder and PTSD.
2
Analyze cues

First, the question that has to be settled before anything is attributed to anxiety. Chest tightness, dyspnea and a heart rate of 128 in a patient three days after a high-energy collision are not automatically psychiatric. The sourced panic differential includes angina, congestive heart failure, pulmonary embolism and asthma, and panic disorder itself carries "a high risk of coronary artery disease" with increased sudden-death risk — a psychiatric label makes the cardiac work-up more necessary, not less. A recent motor-vehicle collision adds its own reasons to think about injury and about traumatic brain injury, which is on the sourced acute-stress differential. Second, the diagnostic clock. She is at day 3 with symptoms across intrusion, avoidance, arousal, negative mood and dissociation. Acute stress disorder requires at least nine symptoms pooled from those five categories, lasting 3 to 30 days, with impairment. It is not PTSD, and saying so matters, because "transient distress, sleep disturbance, heightened startle, or intrusive thoughts are common in the first days after trauma" and most trauma survivors never develop PTSD. Third, the capability question. At her current level, learning, problem-solving and critical thinking are impossible — so any plan that starts with explaining, choosing or agreeing will fail.
3
Prioritize

First, the physiological work-up runs in parallel with everything else — this is not a delay, it is the reason the psychiatric label is safe to apply later. Second, stay with her. The sourced instruction at severe-to-panic level is to remain with the client, and leaving to fetch equipment or make a call is itself a deterioration risk in a patient who is already dissociating. Third, communicate at the level she can use: firm, short, simple statements in a slow, low-pitched voice — not reorientation, which has already failed, and not a choice between options she cannot weigh. Fourth, physical needs: fluids, warmth, rest — and if she keeps pacing, high-calorie finger foods. Fifth, only once she can engage, the teaching: naming the symptom, the return criterion, and what happens next. Sixth, the support gap, which is the single most modifiable factor in whether this becomes PTSD.
4
Generate solutions

Anticipate the medical work-up appropriate to chest pain and dyspnea in a recent trauma patient. Do NOT anticipate a benzodiazepine here, and know why: VA/DoD 2023 recommends AGAINST benzodiazepines for the treatment of PTSD (Strong against), and for acute stress disorder it finds insufficient evidence to recommend for or against any pharmacotherapy (Rec 6). A benzodiazepine ordered reflexively in the hours after a trauma is the trap this scenario is built around — the sourced package below is behavioural, not pharmacological. Plan the early-intervention package the guideline supports: safety and comfort, arousal reduction, practical help, psychoeducation about common stress reactions, connection with family or community, and scheduled follow-up within 1 to 4 weeks. Because she meets acute stress disorder criteria with impairment, VA/DoD 2023 suggests trauma-focused cognitive behavioral psychotherapy to prevent PTSD (Rec 5, Weak for) — cited to the guideline itself. Plan explicitly NOT to do a single-session debriefing requiring a detailed trauma narrative, which the same guidance does not support and which "may worsen outcomes in some patients."
5
Take action

Stay with her. Sit at or below her eye level, keep the exit reachable by both of you, introduce yourself and your role again — she may not have retained it — and ask permission before touching her, including before applying monitoring leads. Use short sentences: "You are safe. I am staying here. Breathe out with me." Do not ask her to choose anything and do not try to teach yet. Escalate with an SBAR: "34-year-old woman, day 3 after a motor-vehicle collision, in the observation unit with nightmares, intrusive replays, avoidance and hypervigilance since the crash. She has just had an abrupt episode of chest tightness, dyspnea, trembling, paresthesias and depersonalization with a fear of dying, peaking within minutes — a panic attack. Heart rate 128, blood pressure 158 over 92, respiratory rate 28, oxygen saturation 99%. She is at a severe-to-panic level of anxiety and is not responding to reorientation. I am staying with her. Requesting cardiopulmonary evaluation before we attribute this, and asking whether you want anything for immediate symptom relief." Three traps to avoid. Calling it "just a panic attack" before the chest pain is evaluated. Trying to reorient or reason with her at panic level — "don’t try to argue or reason with them." And labelling this PTSD on day 3, which is both wrong and frightening.
6
Evaluate

Success within the hour: heart rate and respiratory rate falling toward baseline, trembling settling, and — the finding that matters most — she can answer more than one question and follow a two-step instruction, meaning she has come back down to a level where teaching is possible. Then the teaching lands: name the symptom as anxiety, because naming it reduces its intensity; cover sleep hygiene and caffeine; and give the return criterion in plain words — if this is still happening in a month, come back for a PTSD-focused evaluation, with a follow-up appointment already booked in the next 1 to 4 weeks. Address the support gap deliberately, because it is the most modifiable risk factor she has: people with a well-established support system are less likely to develop PTSD, and she has told nobody. Set expectations honestly in both directions: most people improve without formal psychotherapy, and most trauma survivors never develop PTSD — but acute stress disorder is an imperfect predictor, so persisting symptoms are a reason to return rather than a sign of failure. Re-escalation triggers: any new chest pain gets worked up again; suicidal thoughts, reckless or self-destructive behavior, or worsening dissociation mean urgent review.

Scenario — you’re the nurse

Work each question before revealing the answer. Rationales explain the wrong options too.

Emergency department observation unit · 0230, three days after a motor-vehicle collision

A 34-year-old woman was in a severe motor-vehicle collision three days ago and escaped without significant injury. She returned tonight because she has not slept since the crash, is having nightmares and daytime replays of the impact, and cannot stop checking the door. While the nurse is taking her history she suddenly grips the bed rail, says she cannot breathe, and asks whether she is dying.

0230 vitals — HR 128 · BP 158/92 · RR 28 · T 36.7 °C · SpO2 99% on room air

Observation — trembling, diaphoretic, gripping the rail, pacing when allowed up; reports chest tightness, tingling in both hands, and a feeling of being detached from herself

History since the crash — nightmares, intrusive daytime replays, avoiding the route where it happened, constant scanning of the room, no sleep for 3 nights

Screening — denies suicidal ideation, plan or prior self-harm; no substance use; lives alone and has not told anyone about the crash

Nurse’s note — "Answers only some questions; repeats ‘am I dying’ when asked anything else. Does not respond to reorientation."

Q1 Select all that apply

Which findings require immediate follow-up? Select all that apply.

A. Chest tightness and dyspnea with a heart rate of 128 three days after a motor-vehicle collision
B. Answering only some questions and not responding to reorientation
C. Reports of feeling detached from herself
D. Lives alone and has told nobody about the crash
E. Oxygen saturation 99% on room air

Reveal answer & rationale

Answer: A, B, C, D

Chest tightness and dyspnea (A) must be evaluated before being attributed — the sourced panic differential includes angina, congestive heart failure, pulmonary embolism and asthma, and panic disorder carries "a high risk of coronary artery disease" with increased sudden-death risk. Answering only some questions and not responding to reorientation (B) places her at the severe-to-panic level, where "learning, problem-solving, and critical thinking become impossible" — which changes every intervention that follows. Feeling detached (C) is depersonalization, one of the thirteen panic-attack symptoms and one of the five acute-stress symptom categories. Living alone with no one told (D) is the single most modifiable PTSD risk factor — people who "feel isolated after trauma or have a poor social support system are more likely to develop an acute stress disorder and/or PTSD." A saturation of 99% (E) is normal and requires no action, though it does not by itself exclude the differential in option A.

Q2 Multiple choice

At this moment, the most appropriate nursing communication is:

A. Explain the difference between a panic attack and a heart attack so she understands she is safe
B. Ask her to choose whether she would prefer medication or a relaxation exercise
C. Stay with her and use firm, short, simple statements in a slow, low-pitched voice
D. Leave to get the provider and return with a written information leaflet

Reveal answer & rationale

Answer: C

Staying and using firm, short, simple statements in a slow, low-pitched voice (C) is the sourced intervention for severe-to-panic anxiety — "the nurse should also remain with a client experiencing acute, severe, or panic levels of anxiety," and communication "should focus on helping the client feel safe." Explaining (A) and offering a choice (B) both assume a capacity she does not currently have: at severe level "learning, problem-solving, and critical thinking become impossible," and "clients with severe anxiety or panic may not be able to participate in planning and rely on the nurse to take a directive role." Both are correct interventions later. Leaving her (D) is the clearest error — remaining with the client is the instruction, and a leaflet is useless to someone who cannot process environmental information.

Q3 Put in order

Put the nurse’s actions in order:

A. Give the return criterion in plain words — come back for a PTSD-focused evaluation if this is still happening in a month
B. Remain with her and use short, simple directives while requesting cardiopulmonary evaluation
C. Offer fluids, a blanket and rest; offer high-calorie finger foods if she keeps pacing
D. Arrange follow-up within 1 to 4 weeks and address her lack of social support

Reveal answer & rationale

Correct order: B → C → A → D

Staying with her while the physiological work-up proceeds (B) comes first: the chest pain has not been evaluated, and "remain with a client experiencing acute, severe, or panic levels of anxiety" is the sourced instruction. Physical needs follow (C) because "priority nursing interventions for a client experiencing severe anxiety focus on the client’s physical needs, such as fluids to prevent dehydration, blankets for warmth, and rest to prevent exhaustion," with high-calorie finger foods if pacing persists. The return criterion (A) can only be taught once she has come down a level, since learning is impossible above moderate anxiety — saying it while she is at panic level means she will not retain it. Follow-up and the support gap (D) belong to discharge planning — essential, because poor social support is the pivotal PTSD risk factor, but not deliverable during the acute episode.

Q4 Multiple choice

Her symptoms began three days ago. Which statement is correct?

A. This is PTSD, because the trauma was severe and the symptoms include nightmares and hypervigilance
B. This meets the window for acute stress disorder; PTSD requires symptoms persisting more than one month
C. No diagnosis is possible because psychological symptoms in the first week after trauma are always normal
D. Acute stress disorder reliably predicts who will develop PTSD, so she should be counselled that PTSD is likely

Reveal answer & rationale

Answer: B

Acute stress disorder covers symptoms "lasting from 3 days to 1 month after trauma exposure," while PTSD Criterion F requires "persistence… for more than 1 month" (B). Calling it PTSD on day 3 (A) is wrong on the criteria and frightening for the patient. Option C overcorrects: it is true that "transient distress, sleep disturbance, heightened startle, or intrusive thoughts are common in the first days after trauma" and do not by themselves constitute a disorder, but acute stress disorder is diagnosable once symptoms have lasted at least 3 days, number at least nine across the five categories, and cause impairment. Option D contradicts the source directly: "ASD is a risk marker for later PTSD, but it is an imperfect predictor; many patients who later develop PTSD do not meet full ASD criteria during the first month after trauma."

Q5 Multiple choice

Which intervention in the first days after trauma should the nurse NOT expect to be offered?

A. A single session in which she gives a detailed narrative of the collision
B. Psychoeducation about common stress reactions and encouragement toward safe routines
C. Scheduled follow-up with earlier reassessment if symptoms worsen
D. Trauma-focused cognitive behavioral psychotherapy, offered as a suggestion rather than a strong recommendation

Reveal answer & rationale

Answer: A

Single-session debriefing requiring a detailed trauma narrative (A) is the one to expect not to be offered: "single-session psychological debriefing that requires a detailed trauma narrative should be avoided; Veterans Affairs and Department of Defense guidance do not support it as a preventive intervention, and it may worsen outcomes in some patients." The other three are all sourced parts of early care — psychoeducation and a gradual return to safe routines (B), scheduled follow-up with earlier reassessment if symptoms worsen or safety concerns emerge (C), and trauma-focused cognitive behavioral psychotherapy for a patient meeting acute stress disorder criteria, which the 2023 VA/DoD guideline as reported by StatPearls suggests as an explicitly weak recommendation (D). The underlying principle also supports option A being wrong: the details of the trauma are usually not needed for diagnosis at all.

Common questions

What causes anxiety disorders & ptsd?

Common causes and risk factors include anxiety disorders are the most common mental health disorders in the united states, with about one in five adults reporting symptoms; women report more than men, and prevalence is higher among younger adults, genetics — generalized anxiety disorder occurs in approximately 25% of first-degree relatives of affected patients, and first-degree relatives of someone with panic disorder carry a 40% risk, female sex — generalized anxiety disorder prevalence is approximately twice as high among women as men and "females are known to be more predisposed" to ptsd after trauma, age of onset — the median age of onset of childhood anxiety is 11 years, about 1 in 4 adolescents experience anxiety between 13 and 18, childhood abuse and adverse childhood experiences — named in the generalized anxiety etiology list, and the common thread across all these disorders; repeated exposure "can prolong this heightened stress response, rewiring the brain’s physiological reactivity and impairing emotional regulation", and others.

What are the early signs of anxiety disorders & ptsd?

Early findings include Somatic complaints, not psychological ones — shortness of breath, palpitations, fatigue, headache, dizziness, restlessness.

Which findings should a nurse report immediately in anxiety disorders & ptsd?

Report immediately: Chest pain, palpitations or dyspnea in a patient with known anxiety or panic disorder, A panic attack — an abrupt surge of intense fear peaking within minutes, with four or more defined symptoms, Hypervigilance, exaggerated startle, irritable or aggressive outbursts, and reckless or self-destructive behavior, Constant pacing or motor restlessness that does not settle with intervention, Ataques de nervios — uncontrollable shouting, crying attacks, trembling and heat in the chest rising to the head, and others. These signal deterioration that needs rapid intervention.

How long does a panic attack take to peak?

Within minutes. A panic attack is a sudden surge of intense fear or discomfort that peaks within minutes. The commonly taught "ten minutes" does not appear in the sources behind this page and is not written here. What is worth learning with it is the rest of the definition: the attack includes four or more of thirteen symptoms — palpitations, sweating, trembling, shortness of breath, choking, chest pain, nausea, dizziness, chills or heat, paresthesias, derealization or depersonalization, fear of losing control, and fear of dying. And a panic attack is not panic disorder: attacks "can occur alongside other anxiety, mood, psychotic, and substance use disorder," while panic disorder needs recurrent unexpected attacks plus a month or more of persistent worry about more attacks and a change in behavior to avoid them.

What actually separates acute stress disorder from PTSD?

The clock and the counting rule. Acute stress disorder covers symptoms "lasting from 3 days to 1 month after trauma exposure," and requires at least 9 symptoms pooled from any of five categories — intrusion, negative mood, dissociation, avoidance and arousal — with no per-cluster minimum. PTSD requires persistence "for more than 1 month," and counts by cluster: at least 1 intrusion symptom, at least 1 avoidance symptom, at least 2 negative alterations in mood and cognition, and at least 2 alterations in arousal and reactivity. Note the floor as well as the ceiling on acute stress disorder: the first three days do not qualify, because "transient distress, sleep disturbance, heightened startle, or intrusive thoughts are common in the first days after trauma" and are not a disorder. Two further facts prevent over-diagnosis: most people exposed to trauma improve without formal psychotherapy, and acute stress disorder is "an imperfect predictor" of PTSD — many people who later develop PTSD never met its criteria in the first month.

Why do the four levels of anxiety change what the nurse should do?

Because they describe what the patient is still capable of. At mild level the senses "perceive reality in sharp focus." At moderate level the perceptual field narrows and the ability to "think clearly, learn, and problem solve is hampered, but can still take place." At severe level, the load-bearing sentence: "learning, problem-solving, and critical thinking become impossible at this level." At panic level the person "is unable to process information from the environment and may lose touch with reality." So teaching, offering choices and shared planning all stop working somewhere between moderate and severe — and "clients with severe anxiety or panic may not be able to participate in planning and rely on the nurse to take a directive role." The interventions change accordingly: at mild to moderate, a calm presence, active listening, open-ended questions and physical activity; at severe to panic, remain with the client, use firm, short, simple statements in a slow, low-pitched voice, and meet physical needs first — fluids, warmth, rest, and high-calorie finger foods if the pacing does not stop.

Sources

Reviewed by Hae Suk Lee, RN

Educational summary for nursing students. Scenarios are fictional teaching cases. Always verify against current guidelines and your institution's protocols before acting in practice. Not medical advice.

Anxiety Disorders & PTSD

What’s going wrong in the body

01 One survival circuit, firing at the wrong thing

02 The amygdala detects, the frontal lobe is supposed to tone it down

03 Peplau’s four levels — the framework that decides what the nurse can do

04 The clocks — 6 months, one month, four weeks, three days

Causes & risk factors

Signs & symptoms

Diagnostics

Complications

Medications for this condition

Beyond medications

Nursing considerations

How a real nurse thinks

Scenario — you’re the nurse

Common questions

Related conditions

Sources