AssessmentsAmyotrophic lateral sclerosis
Amyotrophic lateral sclerosis
Deficiency of the enzyme is a common cause of familial amyotrophic lateral sclerosis.
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 27-year-old woman comes to the office because of a 2-month history of continued uncontrollable episodes of crying. Her medical history is relevant for bipolar disorder type II and a recent traumatic brain injury. When asking the patient how she feels, she starts frenetically laughing and crying at the same time. After her crying episode, the patient feels embarrassed and claims to have similar episodes without an underlying emotional reason. Her temperature is 36.7°C (98.2°F), pulse is 71/min, respirations are 20/min, blood pressure is 112/70 mmHg. Which of the following is the most likely diagnosis?