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Difficulty: HardBipolar and Related Disorders

A 24-year-old female graphic designer comes to the outpatient clinic reporting a 4-week history of feeling 'completely drained.' She states that she struggles to get out of bed, sleeps up to 14 hours daily, and has lost interest in her hobbies. She has gained 4 kg (8.8 lb) during this time. Her past psychiatric history is significant for a period during her sophomore year of college when she felt 'supercharged' for two weeks, requiring only 2 to 3 hours of sleep per night, talking rapidly, and aggressively confronting her professors, which ultimately led to a brief academic suspension. She is currently sexually active with a male partner and relies on the withdrawal method for contraception. Medical history is unremarkable, and she currently takes no medications. Which of the following are appropriate next steps or considerations in the management of this patient? (Select all that apply)

  1. Initiate monotherapy with a second-generation antipsychotic such as quetiapine or lurasidone.Answer
  2. Obtain a urine or serum beta-hCG level prior to initiating pharmacotherapy.Answer
  3. C
    Initiate monotherapy with a selective serotonin reuptake inhibitor such as sertraline.
  4. D
    Prescribe a combination of fluoxetine and phenelzine to address her severe anergia and hypersomnia.
  5. E
    Disclose the diagnosis to her employer without her consent to facilitate a necessary medical leave of absence.

Answer

The correct steps are to initiate monotherapy with an appropriate second-generation antipsychotic (such as quetiapine or lurasidone) and to obtain a pregnancy test before starting pharmacotherapy.
The patient's clinical presentation is consistent with bipolar I disorder, currently in a major depressive episode. First-line treatments for acute bipolar depression include second-generation antipsychotics like quetiapine and lurasidone, which have proven efficacy without the risk of causing a manic switch. Furthermore, because she is a sexually active woman of childbearing age using an unreliable contraceptive method, a pregnancy test is essential prior to prescribing psychotropic medications that may carry teratogenic risks.

Step-by-Step Solution

1
Analyze the patient's current symptoms and past psychiatric history to establish a diagnosis.
The patient is currently in a major depressive episode. Her past history of a two-week period of decreased need for sleep, pressured speech, and severe functional impairment (academic suspension) meets the criteria for a manic episode. The diagnosis is Bipolar I disorder, most recent episode depressed.
Accurate diagnosis is critical because the treatment of bipolar depression differs significantly from the treatment of unipolar major depressive disorder.
2
Determine the first-line pharmacological treatment for acute bipolar depression.
First-line treatments include specific second-generation antipsychotics (e.g., quetiapine, lurasidone) or mood stabilizers.
These agents treat bipolar depression effectively while minimizing the risk of a treatment-emergent manic switch.
3
Identify necessary pretreatment evaluations based on patient demographics and social history.
A baseline pregnancy test must be obtained.
The patient is a woman of reproductive age using unreliable contraception. Many treatments for bipolar disorder carry teratogenic risks (e.g., neural tube defects with valproate, Ebstein anomaly with lithium) and must be carefully managed in pregnancy.

Key Concept

Diagnosis and management of acute bipolar depression, including the avoidance of antidepressant monotherapy and the necessity of pretreatment pregnancy screening in reproductive-aged females.
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Topics

Bipolar and Related Disorders

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