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Question

Difficulty: MediumAnxiety, OCD, and Trauma-Related Disorders

An unmedicated 28-year-old male graphic designer comes to the physician seeking help for debilitating 'panic spells'. He states that over the last four months, he has suffered six unexpected episodes of overwhelming fear, pounding heart, diaphoresis, and a feeling that he might die. These episodes reach maximum intensity within a few minutes. He has become increasingly fearful of experiencing another attack and now refuses to ride the city bus to his office.

Physical examination, electrocardiography, and laboratory studies (including thyroid function) show no abnormalities.

During the clinical interview, the patient discloses a history of severe depression in his early twenties. Furthermore, at age 24, he experienced a distinct three-week period characterized by a markedly decreased need for sleep, pressured speech, and grandiose delusions that he was a famous inventor, which resulted in a psychiatric hospitalization. He has not taken any prescribed medications for the past two years.

Which of the following is the most appropriate next step in management?

  1. Initiate cognitive-behavioral therapyAnswer
  2. B
    Initiate escitalopram therapy
  3. C
    Prescribe fluoxetine and phenelzine concurrently
  4. D
    Assign a past medical history of brief psychotic disorder
  5. E
    Contact his emergency proxy to arrange secure transportation

Answer

Initiate cognitive-behavioral therapy
The correct intervention is to initiate cognitive-behavioral therapy (CBT). This patient currently meets the criteria for Panic Disorder with Agoraphobia. While selective serotonin reuptake inhibitors (SSRIs) are generally the pharmacological treatment of choice for panic disorder, this patient has a clear history of Bipolar I disorder (evidenced by his prior manic episode with grandiose delusions). Initiating SSRI monotherapy in an unmedicated patient with Bipolar I disorder carries a significant risk of precipitating a manic switch. CBT is an equally effective, first-line evidence-based treatment for panic disorder that avoids pharmacological risks and is the safest, most appropriate next step.

Step-by-Step Solution

1
Diagnose the patient's current primary presenting problem.
The recurrent, unexpected attacks of fear with autonomic arousal, followed by avoidance behavior (not riding the bus), point to Panic Disorder with Agoraphobia.
Establishing the current diagnosis dictates the framework for indicated therapies.
2
Analyze the past psychiatric history for relevant comorbidities.
The history of a distinct period of decreased sleep, pressured speech, and grandiose delusions requiring hospitalization indicates a past manic episode with psychotic features, securing a diagnosis of Bipolar I Disorder.
Comorbidities, especially Bipolar Disorder, drastically alter pharmacological management protocols for anxiety disorders.
3
Evaluate treatment options based on both the current diagnosis and the comorbid risk factors.
Standard pharmacotherapy for panic disorder (SSRI monotherapy) must be avoided to prevent a medication-induced manic switch. Therefore, a non-pharmacological first-line approach is safest.
Maximizing therapeutic benefit while minimizing the risk of severe adverse events (like inducing mania) is the core principle of psychiatric management.

Key Concept

Management of Anxiety Disorders in Bipolar Patients
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Topics

Anxiety, OCD, and Trauma-Related Disorders

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