A 27-year-old woman presents with amenorrhea, weight loss, and excessive exercise. Her BMI is 16 kg/m². She has bradycardia and hypotension. What is the most serious immediate risk?
AOsteoporosis
BCardiac arrhythmias
CRenal failure
DHypothermia
EElectrolyte imbalance
A 31-year-old woman presents with amenorrhea, weight loss, and lanugo hair. Her BMI is 15 kg/m². She denies having an eating disorder. What is the most serious immediate risk?
AOsteoporosis
BCardiac arrhythmias
CRenal failure
DHypothermia
EInfection
A 67-year-old man presents with confusion and agitation 2 days after hip replacement surgery. He sees insects crawling on the walls and is oriented only to person. His medication includes morphine PCA. Vital signs are stable. What is the most likely diagnosis?
AAlcohol withdrawal
BPostoperative delirium
CDementia
DSepsis
EFat embolism
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