Limited Water Access in Medicine / Internal Medicine — Case | Nephrology | SMLE Q#12378
SMLE Question #12378
Medicine / Internal Medicine
Nephrology
Objective: OBJ-188
Last updated: February 2026
A 28-year-old army recruit has 2 days of progressive fatigue, reduced exercise tolerance, and lightheadedness during drills after several days of intense outdoor training in hot weather with limited water access. He reports dark, low-volume urine. Examination shows dry mucous membranes and delayed capillary refill. Urinalysis shows no blood or protein and no casts. What is the most likely etiology of his acute kidney injury?
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