2 Weeks Of Progressive in Medicine / Internal Medicine — 72yo Man | Nephrology | SMLE Q#18606
SMLE Question #18606
Medicine / Internal Medicine
Nephrology
Objective: OBJ-IM-NEPH-EL-001
Last updated: February 2026
A 72-year-old man with long-standing hypertension and type 2 diabetes mellitus presents with 2 weeks of progressive fatigue and generalized weakness. His medications include lisinopril and amlodipine. He denies vomiting, diarrhea, or diuretic use. Recent blood tests are shown below. Which electrolyte abnormality most likely explains his fatigue?
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