3 Months Of Progressive in Medicine / Internal Medicine — 58yo Man | Cardiology | SMLE Q#19034
SMLE Question #19034
Medicine / Internal Medicine
Cardiology
Objective: OBJ-IM-CARD-CHF-ISCHEMIC-WORKUP
Last updated: March 2026
A 58-year-old man presents with 3 months of progressive exertional dyspnea and paroxysmal nocturnal dyspnea. He denies fever and productive cough. He has long-standing hypertension and no previously diagnosed coronary artery disease. Transthoracic echocardiography shows anteroseptal regional wall motion abnormality and a left ventricular ejection fraction of 30%. What is the next best investigation to evaluate the likely underlying cause?
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