medium · MCAT psych-soc
A 28-year-old female presents with a 2-week history of significantly decreased need for sleep, rapid and pressured speech, and impulsivity leading to a 15,000 credit card debt. She has a prior history of a 6-week episode of profound lethargy, feelings of worthlessness, and suicidal ideation.
Which diagnosis and associated neurochemical shift is most accurate?
- Cyclothymic disorder; associated with serotonin excess
- Bipolar II disorder; associated with chronic low levels of GABA
- Major depressive disorder with psychotic features; associated with dopamine deficiency
- Bipolar I disorder; associated with elevated dopamine and norepinephrine during mania
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