Diabetes To Emergency Department in Medicine / Internal Medicine — 40yo Man | Cardiology | SMLE Q#1028
SMLE Question #1028
Medicine / Internal Medicine
Cardiology
Last updated: February 2026
A 40-year-old man with diabetes presents to the emergency department with 2 weeks of exertional dyspnea that improves with rest. He denies chest pain, palpitations, diaphoresis, or syncope. Physical examination is unremarkable. ECG shows no new ischemic changes. High-sensitivity troponin is within the reference range and unchanged on repeat testing at 3 hours. What is the most likely diagnosis?
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