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Difficulty: EasyAnxiety, OCD, and Trauma-Related Disorders

A 25-year-old man presents to the outpatient clinic with a 2-month history of sudden, unpredictable episodes of intense fear accompanied by palpitations, sweating, shortness of breath, and a feeling of impending doom. The episodes typically reach their peak severity within 10 minutes. Because of these episodes, the patient has become increasingly fearful of leaving his house. He has a past medical history of bipolar I disorder, which was diagnosed three years ago, but he stopped taking his mood stabilizer 6 months ago. His vital signs are within normal limits. Physical examination, electrocardiogram, and basic metabolic panel are unremarkable. Which of the following is the most appropriate initial long-term management for this patient's current condition?

  1. Cognitive-behavioral therapyAnswer
  2. B
    Fluoxetine monotherapy
  3. C
    Concurrent initiation of fluoxetine and phenelzine
  4. D
    Inpatient admission for brief psychotic disorder
  5. E
    Echocardiography and continuous telemetry

Answer

Cognitive-behavioral therapy is the most appropriate initial long-term management.
This patient is presenting with classic symptoms of panic disorder with agoraphobia, characterized by recurrent, unexpected panic attacks and a subsequent fear of future attacks leading to avoidance behaviors. Cognitive-behavioral therapy (CBT) is a highly effective, first-line treatment for panic disorder. In a patient with an unmedicated history of bipolar I disorder, CBT is particularly appropriate as it avoids the major risk of pharmacologically precipitating a manic episode.

Step-by-Step Solution

1
Identify the primary psychiatric diagnosis based on the clinical presentation.
The patient has a 2-month history of unexpected panic attacks and subsequent agoraphobia, leading to a diagnosis of Panic Disorder.
Establishing the correct diagnosis is required to determine the appropriate first-line treatment options.
2
Consider the patient's past medical history and its impact on treatment selection.
The patient has a history of Bipolar I disorder and is currently unmedicated.
Certain standard pharmacological treatments for anxiety, specifically SSRIs, can cause severe adverse effects such as a manic switch in patients with unmedicated bipolar disorder.
3
Select the safest and most effective initial treatment.
Cognitive-behavioral therapy is chosen because it is a first-line treatment for panic disorder and safely avoids the pharmacological risks associated with antidepressants in this specific patient.
It addresses the core symptoms of panic and agoraphobia effectively without destabilizing the patient's underlying mood disorder.

Key Concept

In patients with a history of unmedicated bipolar disorder presenting with panic disorder, cognitive-behavioral therapy is the safest first-line treatment, as antidepressant monotherapy risks precipitating a manic episode.
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Topics

Anxiety, OCD, and Trauma-Related Disorders

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