A 22-year-old man is admitted to the hospital for antibiotic treatment for meningitis. Two days later, his heart rate is 110 and blood pressure 80/40. Serum studies show: Na 130, K 5.3, and HCO3– 20. Which of the following is the next best step to determine the cause of this patient’s hypotension?
ACTH stimulation test
CT scan of the abdomen (with contrast)
CT scan of the abdomen (without contrast)
Dexamethasone suppression test
MRI of the pituitary gland
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Cut-to-the-chase Answer (0:58):
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HY USMLE Answer (5:14):
