Chapter review

Fitzgerald PMHNP board review. ch02. Select Special Topics in Psychiatric-Mental Health Practice. This is drive 13 of 18. When I say Pause. Answer. wait, then I will give the answer. New section. Specific Physical Mimics. Topic. Starvation (EDs): Causes bradycardia and electrolyte imbalance. Bottom Line. Bottom line. Severe starvation in **anorexia nervosa** causes profound cardiovascular and metabolic suppression, producing severe sinus bradycardia, hypotension, hypothermia, and dangerous electrolyte disturbances. Key lab abnormalities include **hypokalemia**, **hypophosphatemia**, and **hypomagnesemia**, which increase the risk of fatal cardiac arrhythmias. Inpatient medical hospitalization is required when Body Mass Index is 15 kg/m2 or less, or when hemodynamic instability is present. During nutritional restoration, clinicians must monitor for **refeeding syndrome**, where insulin surges drive phosphate into cells and precipitate acute heart failure. Furthermore, **bupropion** is strictly contraindicated in eating disorders due to a high risk of grand mal seizures. Key Concepts on Starvation, Bradycardia, and Electrolyte Imbalances. * Cardiovascular and Metabolic Suppression: Chronic starvation forces the body into a hypometabolic state to conserve energy. Physical signs include sinus bradycardia (heart rate under 50 beats per minute), hypotension (blood pressure under 80/50 mm Hg), hypothermia (temperature under 35.5 degrees Celsius), cold cyanotic extremities, and lanugo hair. * Electrocardiogram Abnormalities: Starvation causes loss of myocardial muscle mass and conduction delays. Classic ECG changes include sinus bradycardia, T-wave inversion, ST-segment depression, and **QTc prolongation** (QTc greater than 450 milliseconds), which elevates the risk of fatal ventricular arrhythmias. * Electrolyte Disturbances: * **Hypokalemia**: Caused by starvation, purging, or laxative misuse. Low potassium produces muscle weakness, flattened T-waves, prominent U-waves, and cardiac dysrhythmias. * **Hypophosphatemia**: Caused by malnutrition and severely exacerbated during refeeding. Depleted phosphate impairs myocardial contractility and cellular energy production, leading to acute cardiac failure. * **Hypomagnesemia** and **Hyponatremia**: Result from chronic malnutrition, laxative abuse, or fluid shifts. * **Refeeding Syndrome**: A life-threatening complication occurring when carbohydrates are reintroduced too rapidly in severe malnutrition. Increased insulin secretion shifts phosphate, potassium, and magnesium from serum into cells. Severe **hypophosphatemia** triggers fluid retention, cardiac failure, delirium, and sudden cardiac arrest. * **Bupropion** Contraindication: **Bupropion** is strictly contraindicated in patients with an active or past history of **anorexia nervosa** or **bulimia nervosa**. Fluid and electrolyte shifts lower the seizure threshold, making **bupropion** high risk for triggering grand mal seizures. * Criteria for Medical Hospitalization: Immediate inpatient medical admission is indicated for a Body Mass Index of 15 kg/m2 or less (or equal to or less than 75% of median BMI for age and height), resting heart rate under 50 beats per minute, blood pressure under 80/50 mm Hg, hypothermia under 35.5 degrees Celsius, QTc prolongation over 450 milliseconds, or severe **hypokalemia** under 3.0 mEq/L. Safety Alert. Safety alert. Never prescribe **bupropion** to any patient with a history of **anorexia nervosa** or **bulimia nervosa**. **Bupropion** lowers the seizure threshold and carries an absolute contraindication for grand mal seizures in eating disorders. In addition, when initiating nutritional refeeding in a severely malnourished patient, monitor serum phosphate, potassium, and magnesium daily to prevent fatal **refeeding syndrome**. Board Trap. Board trap. Do not assume that a patient with **anorexia nervosa** does not experience hunger. On board exams, test writers target the misconception that anorexic patients lose their appetite; individuals with **anorexia nervosa** feel normal physiological hunger but intentionally suppress eating due to an intense fear of gaining weight. Another common trap is prescribing **bupropion** or TCAs for comorbid depression in eating disorders; **bupropion** triggers seizures and TCAs worsen cardiac arrhythmias and orthostatic hypotension. First-Line. First-line. Your **first-line** intervention when evaluating a patient with severe starvation from **anorexia nervosa** is assessing medical stability by checking vital signs, obtaining a 12-lead ECG, ordering a complete metabolic panel to evaluate potassium and phosphate levels, and referring for immediate inpatient medical hospitalization if the Body Mass Index is 15 kg/m2 or less or if hemodynamic instability is present. Compare and Distinguish. Anorexia Nervosa Restricting Type vs. Bulimia Nervosa. * Think Anorexia Nervosa Restricting Type when: Body Mass Index is significantly low (below 18.5 kg/m2 or BMI 15 or less in severe cases), weight is maintained below normal through fasting or excessive exercise, and physical signs include emaciation, bradycardia, hypothermia, and lanugo. * Think Bulimia Nervosa when: Body Mass Index is within normal or slightly overweight range (BMI 18.5 to 30 kg/m2), presentation involves recurrent binge eating paired with inappropriate compensatory purging, and physical signs include dental enamel erosion, parotid gland hypertrophy, and Russell sign. * Priority difference: Anorexia nervosa carries a high immediate risk of death from starvation and cardiac collapse, requiring weight restoration first, whereas bulimia nervosa presents with normal weight and purging-induced metabolic alkalosis. * What boards are testing: Using BMI (cutoff 18.5 kg/m2) to separate anorexia nervosa from bulimia nervosa. Anorexia Nervosa vs. Avoidant/Restrictive Food Intake Disorder (ARFID). * Think Anorexia Nervosa when: Energy restriction and weight loss are driven by an intense fear of gaining weight, body shape distortion, or overvaluation of thinness. * Think ARFID when: Food avoidance or restriction causes significant weight loss or nutritional deficiency due to sensory characteristics of food or fear of choking, without body image distortion or fear of weight gain. * Priority difference: Both cause starvation, but ARFID lacks fear of weight gain and is managed with behavioral feeding therapy rather than body image interventions. * What boards are testing: Differentiating restriction driven by body image distortion from restriction driven by sensory or phobic food avoidance. Next. New section. Printed Fitzgerald Sample Question. Topic. Question 1 (Fitzgerald Sample Item). Evaluate the following statement regarding **anorexia nervosa**: "The patient with anorexia nervosa seldom does not feel hungry." - A. True - B. False Pause. Answer. B. Why it is correct: The statement is false because patients with **anorexia nervosa** do feel hungry. Physiological hunger signals remain intact until late end-stage starvation, but patients intentionally suppress eating due to a morbid fear of weight gain. Why each distractor fails: - A. Option A is incorrect because asserting that the statement is true misrepresents the psychopathology of anorexia nervosa, where hunger is actively felt but suppressed. Test-taking pearl: Recognize that anorexia is a misnomer; patients with anorexia nervosa experience hunger but override it out of fear of gaining weight. Live Board Practice Items. Question 2. A 16-year-old female high school gymnast is brought to the emergency department after fainting during practice. Physical exam reveals a height of 65 inches, weight of 82 pounds (BMI 13.6 kg/m2), heart rate of 42 beats per minute, blood pressure of 76/48 mm Hg, temperature of 35.1 degrees Celsius, and dry skin covered in fine downy hair. Laboratory work reveals a serum potassium of 2.8 mEq/L and phosphate of 1.8 mg/dL. An ECG shows sinus bradycardia with a QTc interval of 468 milliseconds. What is the PMHNP's priority action? - A. Initiate **fluoxetine** 20 mg daily to treat underlying anxiety. - B. Recommend immediate admission to an inpatient medical unit for stabilization. - C. Prescribe **bupropion** XL 150 mg daily to increase appetite and energy. - D. Discharge home with a referral for outpatient cognitive behavioral therapy. Pause. Answer. B. Why it is correct: The patient meets multiple criteria for immediate inpatient medical hospitalization: BMI less than 15 kg/m2 (13.6 kg/m2), severe bradycardia (HR 42 bpm), hypotension (BP 76/48 mm Hg), hypothermia (35.1 C), severe **hypokalemia** (2.8 mEq/L), and QTc prolongation (468 ms). Immediate medical stabilization is required to prevent fatal cardiac arrest. Why each distractor fails: - A. Psychotropic medications are ineffective for weight restoration during acute medical instability and do not resolve life-threatening bradycardia. - C. **Bupropion** is strictly contraindicated in eating disorders due to a high risk of triggering grand mal seizures. - D. Outpatient management is unsafe given her severe hemodynamic instability and prolonged QTc interval. Test-taking pearl: A BMI of 15 or less, heart rate under 50 bpm, or QTc prolongation dictates immediate inpatient medical admission. Concept tested: Hospitalization criteria for severe anorexia nervosa Question 3. A 19-year-old female with a 2-year history of severe **anorexia nervosa**, restricting type, is admitted to a residential eating disorder unit with a BMI of 14.2 kg/m2. On day 3 of enteral nutritional refeeding, she develops acute dyspnea, bilateral peripheral edema, confusion, and a heart rate of 118 beats per minute. Which laboratory abnormality is the primary driver of this life-threatening presentation? - A. Hypernatremia - B. Hypophosphatemia - C. Hypercalcemia - D. Elevated blood urea nitrogen Pause. Answer. B. Why it is correct: The patient is experiencing **refeeding syndrome**, a life-threatening complication caused by rapid carbohydrate reintroduction in severe malnutrition. Increased insulin secretion drives phosphate, potassium, and magnesium into cells, resulting in severe **hypophosphatemia**, which impairs cardiac contractility and triggers acute congestive heart failure. Why each distractor fails: - A. **Refeeding syndrome** causes fluid retention and intracellular shifts rather than hypernatremia. - C. Hypercalcemia is not the primary driver of **refeeding syndrome** pathology. - D. Elevated BUN reflects dehydration or renal impairment, whereas acute pulmonary edema during refeeding signals severe **hypophosphatemia**. Test-taking pearl: **Hypophosphatemia** is the cardinal laboratory hallmark of **refeeding syndrome** and can trigger fatal cardiac failure. Concept tested: Pathophysiology and laboratory hallmark of refeeding syndrome Question 4. A 22-year-old female patient with **anorexia nervosa**, binge-eating/purging type, presents for an outpatient psychiatric evaluation. She reports persistent depressed mood, severe fatigue, and rigid preoccupations with weight. Which psychotropic medication is strictly contraindicated for this patient? - A. **Fluoxetine** - B. **Sertraline** - C. **Bupropion** - D. **Aripiprazole** Pause. Answer. C. Why it is correct: **Bupropion** is strictly contraindicated in patients with an active or past diagnosis of **anorexia nervosa** or **bulimia nervosa** due to a significantly increased risk of grand mal seizures resulting from medication-induced seizure threshold lowering combined with electrolyte shifts. Why each distractor fails: - A. **Fluoxetine** is FDA-approved for **bulimia nervosa** and is commonly used once weight is stabilized. - B. **Sertraline** is an SSRI that can be safely used for comorbid anxiety or depression in eating disorders when medically stable. - D. **Aripiprazole** or low-dose atypical antipsychotics are sometimes used off-label to quiet severe delusional body image distortions. Test-taking pearl: **Bupropion** carries an absolute contraindication in eating disorders due to seizure risk. Concept tested: Prescribing contraindications in eating disorders Question 5. A PMHNP is reviewing physical exam and laboratory findings for a 17-year-old female with restrictive **anorexia nervosa**. Which set of clinical findings is expected in severe starvation? - A. Hypertension, tachycardia, hyperthermia, leukocytosis - B. Hypotension, sinus bradycardia, hypothermia, leukopenia - C. Hypertension, sinus bradycardia, hyperthermia, thrombocytosis - D. Normal blood pressure, tachycardia, hypothermia, erythrocytosis Pause. Answer. B. Why it is correct: Severe starvation in **anorexia nervosa** leads to hypometabolic cardiovascular and hematological suppression, producing hypotension, sinus bradycardia, hypothermia, lanugo hair, and bone marrow suppression resulting in leukopenia, anemia, or thrombocytopenia. Why each distractor fails: - A. Hypertension, tachycardia, hyperthermia, and leukocytosis describe autonomic hyperarousal, opposite to the hypometabolic state of starvation. - C. Starvation causes low blood pressure and low body temperature, not hypertension and hyperthermia. - D. Tachycardia is atypical in resting starvation unless acute hypovolemic shock or severe dehydration hemoconcentration is present. Test-taking pearl: Starvation produces a classic hypometabolic triad of hypotension, bradycardia, and hypothermia. Concept tested: Physical exam and vital sign patterns in severe starvation Best Next Step. Best next step. Move to the next leaf under Medical rule-outs and 'this is not just psychiatric' pearls covering Endocrine mimics: Adrenal and glucose dysregulation to master identifying Addison disease, Cushing syndrome, hypoglycemia, and diabetic ketoacidosis as physical triggers of psychiatric symptoms for board exams. Next. Topic. PANDAS: Strep infection triggering overnight OCD/tics. Bottom Line. Bottom line. **Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections (PANDAS)** represents a critical medical mimic in pediatric psychiatry where a Group A beta-hemolytic streptococcal infection triggers an autoimmune response causing autoimmune inflammation of the **basal ganglia**. This leads to an abrupt, explosive, overnight onset of severe **obsessive-compulsive disorder (OCD)** symptoms, motor or vocal tics, extreme separation anxiety, emotional lability, and behavioral regression in previously healthy children. Key Concepts on PANDAS and Physical Mimics. * Etiology and Pathophysiology: PANDAS occurs when antibodies generated against Group A beta-hemolytic streptococcal (GAS) bacteria cross-react with neuronal tissue in the **basal ganglia** through molecular mimicry, leading to focal neuroinflammation and acute CSTC circuit dysfunction. * Clinical Presentation: Characterized by a dramatic, overnight "light switch" onset of severe **obsessive-compulsive disorder (OCD)** compulsions (such as extreme hand-washing, contamination fears, or door checking), motor or vocal tics (such as eye-blinking, throat-clearing, or facial grimacing), severe separation anxiety, mood lability, and sleep disturbances following a sore throat or strep pharyngitis. * Difference between PANDAS and PANS: PANDAS specifically requires documented Group A streptococcal infection as the precipitating trigger. **Pediatric Acute-Onset Neuropsychiatric Syndrome (PANS)** is a broader clinical diagnostic category that includes sudden-onset OCD or restricted food intake triggered by other infectious or non-infectious environmental stressors. * Diagnostic Workup: Evaluation includes a thorough physical exam, throat culture, anti-streptolysin O (ASO) titers, and anti-DNase B titers, along with clinical assessment using the **Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS)**. * Treatment Strategy: Management involves treating any active underlying streptococcal infection with antibiotics (such as **penicillin**, **amoxicillin**, or **azithromycin**) in collaboration with the primary care pediatrician, combined with evidence-based psychiatric interventions like low-dose **sertraline** or **fluoxetine** and **cognitive behavioral therapy (CBT)** with exposure and response prevention. Safety Alert. Safety alert. Never diagnose primary pediatric **obsessive-compulsive disorder** or Tourette syndrome in a child presenting with an explosive overnight onset of symptoms without ruling out an active or recent streptococcal infection. Initiating psychotropics alone without treating the underlying streptococcal infection allows post-streptococcal autoimmune inflammation of the basal ganglia to persist, increasing the risk of long-term neuropsychiatric sequelae. Board Trap. Board trap. Do not confuse the gradual, insidious onset of primary pediatric **obsessive-compulsive disorder** with the sudden, overnight "light switch" onset of PANDAS. On board exams, primary OCD develops insidiously over months, whereas PANDAS presents with an explosive emergence of severe compulsions or tics over 24 to 48 hours following a fever or sore throat. Test writers expect you to recognize that an abrupt, overnight onset of OCD in a child requires ordering strep antibody titers and collaborating with primary care for antibiotic therapy. First-Line. First-line. Your **first-line** intervention when evaluating a child with explosive overnight onset of OCD symptoms or tics following a sore throat is collaborating with the pediatrician to obtain a throat culture, ASO titers, and anti-DNase B titers to confirm and treat any active streptococcal infection with antibiotics, while establishing baseline psychiatric safety and supportive care. Compare and Distinguish. PANDAS vs. Primary Pediatric OCD. * Think PANDAS when: Symptoms emerge abruptly overnight following a sore throat or fever, accompanied by new motor tics, severe separation anxiety, emotional lability, and a positive strep culture or elevated ASO/anti-DNase B titers. * Think Primary Pediatric OCD when: Obsessions and compulsions develop gradually over months without a preceding infectious illness, fever, or sudden motor tic emergence. * Priority difference: PANDAS requires antibiotic treatment for the underlying streptococcal infection alongside psychiatric support, whereas primary pediatric OCD is treated with **CBT** and an SSRI like **sertraline** or **fluoxetine**. * What boards are testing: Identifying post-infectious autoimmune basal ganglia inflammation as a reversible medical mimic of pediatric OCD. PANDAS vs. PANS. * Think PANDAS when: Acute-onset OCD or tics are specifically linked to a documented Group A beta-hemolytic streptococcal infection. * Think PANS when: Acute-onset OCD or severely restricted food intake occurs abruptly without evidence of streptococcal infection, triggered by other viral, bacterial, or environmental inflammatory causes. * Priority difference: PANDAS specifically targets strep testing and antistreptococcal antibiotics, whereas PANS requires a broader medical investigation for alternative infectious or inflammatory triggers. * What boards are testing: Differentiating strep-specific PANDAS from the broader acute-onset syndrome (PANS). Next. Topic. Question 1 (Fitzgerald Review Workbook Item). A 10-year-old child is recovering from a strep throat infection. What specific behavioral and mental status changes should the PMHNP instruct the parents to watch for after the strep infection clears? - A. Development of progressive short-term memory loss and gait ataxia - B. Sudden onset of obsessive-compulsive behaviors, motor tics, or severe mood changes - C. Onset of severe daytime drowsiness, cataplexy, and sleep paralysis - D. Emergence of grandiose delusions, pressure of speech, and decreased need for sleep Pause. Answer. B. Why it is correct: After a streptococcal infection, parents should monitor for sudden changes in behavior or mental state. Group A streptococcal infections can trigger PANDAS, an autoimmune condition causing acute **obsessive-compulsive disorder** or tic disorders due to basal ganglia inflammation. Early identification and management with antibiotics and behavioral support help prevent long-term sequelae. Why each distractor fails: - A. Memory loss and gait ataxia describe neurodegenerative conditions or normal pressure hydrocephalus, not post-streptococcal autoimmune disease. - C. Daytime drowsiness and cataplexy describe narcolepsy, which is not associated with post-streptococcal basal ganglia inflammation. - D. Grandiose delusions and pressure of speech describe acute mania, which is not the classic post-streptococcal autoimmune presentation. Test-taking pearl: Abrupt behavioral changes, new tics, or sudden OCD following a strep infection indicate PANDAS and warrant medical evaluation. Concept tested: Post-streptococcal behavioral monitoring for PANDAS. Live Board Practice Items. Question 2. A mother brings her 8-year-old son to the psychiatric clinic stating that two days ago he suddenly developed severe, repetitive hand-washing compulsions, vocal throat-clearing tics, and extreme separation anxiety overnight. He was completely healthy prior to this week, but had a mild fever and sore throat two weeks ago that was not treated. What diagnostic step should the PMHNP order first? - A. Initiate **fluoxetine** 10 mg daily for primary **obsessive-compulsive disorder**. - B. Collaborate with the primary care provider to obtain a throat culture, ASO titers, and anti-DNase B titers. - C. Prescribe **haloperidol** 0.5 mg daily for acute tic suppression. - D. Administer the Vanderbilt Assessment Scale for attention-deficit/hyperactivity disorder. Pause. Answer. B. Why it is correct: An explosive overnight onset of OCD compulsions and tics following a sore throat is a classic presentation of PANDAS. Obtaining streptococcal antibody titers (ASO and anti-DNase B) and throat cultures confirms the autoimmune trigger and guides antibiotic therapy. Why each distractor fails: - A. Starting an SSRI without evaluating and treating an active post-streptococcal autoimmune process mismanages the underlying medical cause. - C. High-potency antipsychotics do not address the post-infectious autoimmune basal ganglia inflammation driving the tics. - D. ADHD screening scales do not evaluate acute post-infectious neuropsychiatric symptoms. Test-taking pearl: Sudden overnight onset of OCD or tics following a sore throat dictates testing for streptococcal infection before making a primary psychiatric diagnosis. Concept tested: Diagnostic evaluation of PANDAS. Question 3. A 9-year-old girl is evaluated for sudden, dramatic onset of contamination obsessions, severe hand washing, and emotional lability over 48 hours. Laboratory testing confirms a recent Group A streptococcal infection. The PMHNP and pediatrician initiate an appropriate antibiotic regimen. Which evidence-based psychotropic class is indicated if her OCD symptoms persist despite antibiotic therapy? - A. High-potency typical antipsychotics like **fluphenazine** - B. Selective serotonin reuptake inhibitors like **sertraline** started at a low starting dose - C. Tricyclic antidepressants like **desipramine** - D. Benzodiazepines like **clonazepam** on a standing daily schedule Pause. Answer. B. Why it is correct: When psychopharmacological support is needed for residual OCD symptoms in PANDAS alongside antibiotic therapy, SSRIs such as **sertraline** or **fluoxetine** started at low starting doses and titrated slowly represent the evidence-based first-line psychotropic class. Why each distractor fails: - A. Typical antipsychotics carry significant extrapyramidal side effect risks and are not first-line for residual OCD symptoms in PANDAS. - C. Tricyclic antidepressants carry high cardiotoxicity and anticholinergic risks compared to SSRIs in pediatric populations. - D. Daily standing benzodiazepines cause sedation, disinhibition, and tolerance without treating underlying OCD pathways. Test-taking pearl: SSRIs like **sertraline** started at low doses are the first-line psychotropic choice for residual OCD symptoms in PANDAS. Concept tested: Pharmacological management of residual OCD symptoms in PANDAS. Question 4. Which neuroanatomical structure is primarily affected by the post-infectious autoimmune inflammatory response in Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections (PANDAS)? - A. Prefrontal cortex - B. Basal ganglia - C. Hippocampus - D. Amygdala Pause. Answer. B. Why it is correct: In PANDAS, antistreptococcal antibodies cross-react with self-antigens in the **basal ganglia** through molecular mimicry, causing localized neuroinflammation that disrupts cortico-striatal-thalamo-cortical (CSTC) circuits and produces acute OCD compulsions and tics. Why each distractor fails: - A. The prefrontal cortex regulates executive function, but is not the primary site of autoimmune antibody cross-reactivity in PANDAS. - C. The hippocampus processes memory consolidation and is not the primary target of PANDAS neuroinflammation. - D. The amygdala regulates fear conditioning, whereas PANDAS pathology specifically targets the basal ganglia. Test-taking pearl: PANDAS causes autoimmune inflammation specifically targeting the **basal ganglia**. Concept tested: Neuroanatomy of PANDAS. Best Next Step. Best next step. Move to the next parent section under FITZGERALD CH02 covering Odds-and-ends exam favorites and easy-to-miss facts from this chapter to master remaining high-yield specialty topics for board certification. 💡 **Next Study Nudge:** Would you like to tackle **Endocrine Mimics (Adrenal & Glucose Dysregulation)** next to finish up physical rule-outs, or explore **Odds-and-Ends Exam Favorites** in Chapter 2? Next. Topic. Cerebrovascular Event: Anxiety-related hypertension risk. Bottom Line. Bottom line. A cerebrovascular event, such as a **stroke** or **transient ischemic attack (TIA)**, is a critical physical mimic that can present with acute anxiety, agitation, headache, or confusion. Conversely, severe anxiety and panic surges trigger intense sympathetic noradrenergic activation, causing acute blood pressure spikes that elevate the risk of hypertensive crisis and cerebrovascular accidents. When evaluating new-onset severe anxiety or panic occurring after age 45, or any panic attack accompanied by neurological signs like headache, slurred speech, or vertigo, the PMHNP must rule out a cerebrovascular event before attributing symptoms to a primary anxiety disorder. Key Concepts on Cerebrovascular Events and Anxiety-Related Hypertension Risk. * Bidirectional Relationship: Chronic severe anxiety and acute panic surges stimulate the locus coeruleus and sympathetic nervous system, releasing excess **norepinephrine** and adrenaline. This noradrenergic surge causes transient severe hypertension, increased blood viscosity, and vascular strain, elevating long-term risk for **cerebrovascular accidents (stroke)**, **transient ischemic attacks (TIAs)**, and myocardial infarction. * Vascular Mimics of Anxiety: Cerebrovascular conditions, including **ischemic stroke**, **intraparenchymal hemorrhage**, **subarachnoid hemorrhage**, **vascular dementia**, and **hypertensive encephalopathy**, frequently present with acute emotional distress, severe anxiety, restlessness, or sudden panic. * Red Flags for Secondary Vascular Etiology: Panic symptoms should be assumed to stem from a general medical condition until proven otherwise if: * First onset of panic attacks occurs after age 45. * Atypical neurological symptoms accompany the attack, such as severe headache, sudden vertigo, loss of consciousness, urinary or fecal incontinence, focal numbness or weakness, slurred speech, or amnesia. * Hypertensive Crisis Hazard: A hypertensive crisis (blood pressure equal to or greater than 180/120 mm Hg) presents with severe headache, chest discomfort, palpitations, diaphoresis, dyspnea, and intense anxiety. If untreated, it can cause catastrophic **ischemic stroke**, intracranial hemorrhage, or end-organ damage. Hypertensive crisis caused by MAOI interactions with tyramine or sympathomimetics is treated with phentolamine or IV antihypertensives. Safety Alert. Safety alert. Never diagnose a primary **panic disorder** or prescribe psychotropic anxiolytics without evaluating physical vital signs and neurological function when a patient presents with new-onset panic after age 45 or reports atypical neurological symptoms like severe headache, dizziness, or focal weakness. Treating a **transient ischemic attack** or evolving **stroke** as an anxiety attack delays emergent neuroimaging and thrombolytic therapy, leading to irreversible neurological damage or death. Board Trap. Board trap. Do not assume that a sudden onset of severe anxiety accompanied by elevated blood pressure is purely psychological. On board exams, test writers present middle-aged or older adults with sudden panic and high blood pressure accompanied by subtle neurological clues like slurred speech or asymmetrical reflexes to test if you recognize a medical mimic. Assuming these presentations are primary panic attacks and prescribing benzodiazepines instead of ordering physical assessment and neuroimaging is a classic board trap. First-Line. First-line. Your **first-line** action when evaluating a patient presenting with new-onset severe anxiety, sudden panic after age 45, or an acute hypertensive surge accompanied by atypical physical complaints is performing an immediate physical and neurological assessment, checking blood pressure and vital signs, and referring for emergency medical triage and neuroimaging (CT or MRI) to exclude a **cerebrovascular accident** or **transient ischemic attack**. Compare and Distinguish. Primary Panic Attack vs. Transient Ischemic Attack (TIA). * Think Primary Panic Attack when: Symptoms peak within 10 minutes in a younger adult with a history of anxiety, presenting with racing pulse, shortness of breath, paresthesias, and fear of dying, with normal neurological motor exam and no focal deficits. * Think Transient Ischemic Attack (TIA) when: Sudden focal neurological deficits occur, such as unilateral numbness, facial droop, slurred speech, ataxia, severe sudden headache, or onset after age 45, even if the patient expresses intense fear. * Priority difference: Primary panic attacks are managed with SSRIs and cognitive behavioral therapy, whereas TIAs require emergency medical transfer, neuroimaging, and vascular risk reduction to prevent a major stroke. * What boards are testing: Differentiating benign panic symptoms from transient focal brain ischemia. Vascular Depression vs. Primary Major Depressive Disorder. * Think Vascular Depression when: Depressive symptoms, apathy, and psychomotor retardation develop in an older adult with hypertension, executive dysfunction, and neuroimaging showing subcortical white matter hyperintensities or lacunar infarcts. * Think Primary Major Depressive Disorder when: Depression presents during typical earlier adult life stages without prominent cardiovascular risk factors, focal neurological soft signs, or microvascular white matter lesions. * Priority difference: Vascular depression requires aggressive management of cardiovascular risk factors (hypertension, lipids) alongside cautious psychotropic management, whereas primary depression focuses on standard antidepressant therapy. * What boards are testing: Identifying cerebrovascular disease as an underlying driver of late-life treatment-refractory depression. Next. Topic. Question 1 (Fitzgerald Sample Item). A 56-year-old woman is seen in the emergency department with severe headache, dizziness, and marked hypertension. Her blood pressure is recorded at 205/145 mm Hg. She reports a history of major depression treated with an antidepressant medication and admits to eating aged cheese at a dinner party hours earlier. What is the most appropriate initial treatment for this hypertensive crisis? - A. **Phentolamine** - B. **Propranolol** - C. **Sertraline** - D. **Lorazepam** Pause. Answer. A. Why it is correct: The patient is experiencing a **hypertensive crisis** resulting from an interaction between a monoamine oxidase inhibitor (MAOI) and tyramine-rich food (aged cheese). **Phentolamine**, an alpha-adrenergic antagonist, blocks norepinephrine receptors and is the specific antidote to lower blood pressure and prevent a **cerebrovascular accident**. Why each distractor fails: - B. Non-selective beta-blockers like **propranolol** given alone during an alpha-mediated hypertensive crisis can lead to unopposed alpha-adrenergic stimulation, worsening hypertension. - C. SSRIs like **sertraline** do not lower blood pressure in acute hypertensive crises and risk triggering serotonin syndrome if combined with MAOIs. - D. Benzodiazepines like **lorazepam** provide mild sedation but do not block alpha-adrenergic vasoconstriction in life-threatening hypertensive emergencies. Test-taking pearl: **Phentolamine** is the first-line medication for MAOI-induced hypertensive crisis to prevent stroke and organ damage. Concept tested: Management of hypertensive crisis to prevent cerebrovascular events. Live Board Practice Items. Question 2. A 52-year-old male with no past psychiatric history presents to the urgent care clinic complaining of sudden onset of intense anxiety, severe occipital headache, and dizziness that began 30 minutes ago. His physical exam reveals a blood pressure of 192/114 mm Hg, mild speech slurring, and subtle weakness in his right hand. What is the PMHNP's priority initial intervention? - A. Administer **alprazolam** 0.5 mg orally for acute panic attack. - B. Refer the patient immediately for emergency medical evaluation and brain neuroimaging. - C. Initiate **escitalopram** 10 mg daily for new-onset panic disorder. - D. Recommend relaxation techniques and diaphragmatic breathing. Pause. Answer. B. Why it is correct: New-onset panic symptoms appearing after age 45 accompanied by severe headache, slurred speech, and focal motor weakness represent a medical mimic, specifically an acute **cerebrovascular accident** or **transient ischemic attack**, requiring emergency triage and neuroimaging. Why each distractor fails: - A. Administering anxiolytics delays critical stroke evaluation and emergency medical intervention. - C. Starting an SSRI mismanages an active cerebrovascular emergency. - D. Behavioral relaxation techniques are ineffective and unsafe during an acute neurological stroke. Test-taking pearl: Atypical panic symptoms with focal neurological signs or onset after age 45 dictate immediate emergency medical referral for stroke rule-out. Concept tested: Identifying cerebrovascular events mimicking acute anxiety. Question 3. Which of the following clinical features during a suspected panic attack is most indicative of an underlying general medical condition, such as a **cerebrovascular accident** or **transient ischemic attack**, rather than a primary **panic disorder**? - A. Palpitations and rapid heart rate - B. Trembling and diaphoresis - C. Onset after age 45 with slurred speech and vertigo - D. Fear of losing control or going crazy Pause. Answer. C. Why it is correct: According to DSM-5-TR and Fitzgerald guidelines, onset of panic symptoms after age 45 or the presence of atypical symptoms like slurred speech, vertigo, loss of consciousness, or amnesia strongly suggest an underlying medical condition or cerebrovascular event. Why each distractor fails: - A. Palpitations and tachycardia are classic DSM-5 criteria for primary panic attacks. - B. Trembling and diaphoresis are standard autonomic symptoms of primary panic disorder. - D. Fear of losing control or going crazy is a core cognitive feature of primary panic attacks. Test-taking pearl: Age of onset over 45 combined with focal neurological signs separates medical mimics from primary panic disorder. Concept tested: Diagnostic red flags for secondary medical causes of panic. Question 4. A 68-year-old male with a long history of poorly controlled hypertension is evaluated for new-onset apathy, psychomotor slowing, executive dysfunction, and depressed mood. Brain MRI reveals multiple diffuse subcortical white matter hyperintensities and old lacunar infarcts. How should the PMHNP characterize this clinical presentation? - A. Primary **major depressive disorder** - B. **Vascular neurocognitive disorder** with depressive features - C. **Bipolar II disorder**, depressed episode - D. **Schizophrenia**, negative symptom predominance Pause. Answer. B. Why it is correct: Depressive symptoms, apathy, and executive dysfunction in an older adult with hypertension and MRI findings of subcortical ischemic white matter disease define **vascular neurocognitive disorder** (vascular depression). Why each distractor fails: - A. Primary MDD lacks the characteristic MRI microvascular white matter disease and focal subcortical stroke history. - C. **Bipolar II disorder** requires a documented history of at least one hypomanic episode, which is absent here. - D. **Schizophrenia** emerges in early adulthood with prominent psychosis, not late-life vascular ischemic brain changes. Test-taking pearl: Late-onset depression with executive dysfunction and subcortical white matter lesions on MRI indicates vascular brain disease. Concept tested: Clinical presentation of vascular neurocognitive disorder. Best Next Step. Best next step. Move to the next parent section under Specific Physical Mimics covering Endocrine mimics: Adrenal and glucose dysregulation to master identifying Addison disease, Cushing syndrome, hypoglycemia, and diabetic ketoacidosis as physical triggers of psychiatric symptoms for board certification. Next. New section. Assessment Procedures. Topic. Safety Rule: Mandatory rule-out of physical mimics first. Bottom Line. Bottom line. Mandatory rule-out of physical mimics is a fundamental safety rule in psychiatric-mental health assessment. Before establishing a primary psychiatric diagnosis or initiating psychotropic therapy, the PMHNP must systematically evaluate for underlying medical conditions, organ dysfunction, endocrine abnormalities, metabolic imbalances, or drug toxicities that can directly cause or exacerbate psychiatric symptoms. Primary psychiatric disorders are diagnoses of exclusion. Key Concepts on Mandatory Rule-Out of Physical Mimics. * Walking Around Knowledge: Knowing that a primary psychiatric diagnosis requires ruling out medical illness, physical pathology, and substance or medication effects is mandatory walking around knowledge for safe practice. * Assessment Priority in Clinical Sequencing: Following the ADPIE continuum (Assessment, Diagnosis, Planning, Intervention, Evaluation), assessment always comes first. Gathering health history, physical findings, vital signs, and laboratory data precedes establishing a diagnosis or initiating treatment. * Hazard of Diagnostic Overshadowing: Diagnostic overshadowing occurs when a provider prematurely attributes new physical or cognitive symptoms to an existing psychiatric diagnosis. Patients with mental illness experience higher rates of unaddressed medical comorbidities, making physical evaluation essential. * Universal Baseline Screening Battery: Recommended baseline laboratory and diagnostic screening to exclude physical mimics includes vital signs, physical and neurological examination, complete blood count (**CBC**), comprehensive metabolic panel (**CMP**), **thyroid-stimulating hormone (TSH)**, vitamin B12 level, urinalysis, urine toxicology screen, and an electrocardiogram (ECG) when indicated. * Red Flag Triggers for Emergency Medical Workup: 1. First psychiatric presentation occurring after age 45 2. Abrupt or acute onset of psychiatric symptoms over hours or days 3. Fluctuating level of consciousness, attention, or sensorium (delirium) 4. Visual, tactile, or olfactory hallucinations in the absence of auditory hallucinations 5. Absence of personal or family history of psychiatric disorders 6. Abnormal vital signs (fever, severe hypertension, tachycardia, bradycardia, hypothermia) 7. Focal neurological findings or hard signs (asymmetrical reflexes, ataxia, dysarthria, Babinski sign) 8. Complete treatment refractoriness to standard psychotropics at maximum therapeutic doses Safety Alert. Safety alert. Never prescribe psychotropic medications or refer for psychotherapy without first ruling out a medical cause when red flag physical signs, abnormal vital signs, or late-life symptom onset are present. Prescribing psychotropics for an unrecognised physical mimic masks dangerous medical conditions, delays critical medical treatment, and can cause life-threatening adverse drug events or toxicity. Board Trap. Board trap. Do not select an immediate psychotropic prescription or psychotherapy intervention when a board question presents a patient with new-onset psychiatric symptoms and pending physical assessment or baseline lab work. On board exams, test writers frequently tempt candidates with plausible psychiatric treatments (such as starting an SSRI or initiating CBT), but the correct answer is always obtaining physical assessment data, vital signs, or screening labs first to rule out physical mimics. First-Line. First-line. Your **first-line** action when evaluating any patient presenting with new or worsening psychiatric symptoms is obtaining a complete medical history, physical and neurological examination, vital signs, medication reconciliation, and baseline screening laboratories (**CBC**, **CMP**, **TSH**, toxicology) to rule out physical mimics before establishing a primary psychiatric diagnosis. Compare and Distinguish. Primary Psychiatric Disorder vs. Secondary Medical Mimic. * Think Primary Psychiatric Disorder when: Symptoms emerge during typical early developmental windows (adolescence to early adulthood before age 30), in a patient with a personal or family psychiatric history, clear sensorium, normal vital signs, and unremarkable physical and laboratory findings. * Think Secondary Medical Mimic when: Symptoms present for the first time after age 45, without prior personal or family psychiatric history, with atypical features (visual hallucinations, fluctuating consciousness), abnormal vital signs, or abnormal laboratory panels. * Priority difference: Primary psychiatric disorders are managed with evidence-based psychopharmacology and psychotherapy, whereas secondary medical mimics require diagnosing and treating the underlying physical illness or withdrawing the offending agent. * What boards are testing: Applying the safety rule of ruling out physical medical conditions first before diagnosing idiopathic mental illness. Assessment Priority vs. Intervention Priority. * Think Assessment when: A patient presents with new, unclear, or changing psychiatric symptoms, and baseline medical history, physical examination, vital signs, or laboratory data have not yet been completed. * Think Intervention when: Medical mimics have been thoroughly excluded, diagnostic criteria for a primary psychiatric disorder are met, and immediate safety stabilization or evidence-based treatment is required. * Priority difference: Assessment must precede intervention in the clinical care continuum unless an active physical or psychiatric safety emergency requires immediate life-saving stabilization. * What boards are testing: Recognizing that gathering objective medical data to exclude physical mimics takes priority over premature treatment planning. Functional Psychiatric Symptoms vs. Organic Delirium. * Think Functional Psychiatric Symptoms when: Symptoms develop gradually over weeks to months, consciousness and attention are intact, and orientation to time, place, and person is preserved. * Think Organic Delirium when: Symptoms develop abruptly over hours to days, level of consciousness fluctuates, attention is severely impaired, and underlying physical illness, infection, or drug toxicity is present. * Priority difference: Functional psychiatric symptoms are managed with psychiatric stabilization, whereas organic delirium is a medical emergency requiring immediate identification and treatment of the underlying physical cause. * What boards are testing: Differentiating acute organic brain failure from primary functional psychiatric illness. Next. End of this drive.