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Bipolar disorder — USMLE Step 3 MCQ

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HardPsychiatry (outpatient management)Bipolar disorderUSMLE Step 3

A 24-year-old has five days of decreased need for sleep, increased energy, rapid speech, and new goal-directed activity. She has no psychosis, hospitalization, marked impairment, or substance exposure. Which diagnosis is most likely?

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Correct answer: BHypomanic episode with elevated activation and no marked impairment

The episodic activation, decreased need for sleep, and increased goal-directed activity without psychosis, hospitalization, or marked impairment describe hypomania. Mania requires marked impairment, psychosis, or hospitalization.

Reference: American Psychiatric Association, Practice Guideline for Bipolar Disorder: https://www.psychiatry.org/psychiatrists/practice/clinical-practice-guidelines