Acute Mesenteric Ischemia Without in Medicine / Internal Medicine — 78yo Man | Cardiology | SMLE Q#17082
SMLE Question #17082
Medicine / Internal Medicine
Cardiology
Objective: OBJ-163
Last updated: February 2026
A 78-year-old man undergoes bowel resection for acute mesenteric ischemia without mechanical obstruction. Postoperative evaluation for an embolic source shows normal sinus rhythm on 12-lead ECG and no intracardiac thrombus or significant valvular disease on transthoracic echocardiography. He has no prior history of atrial fibrillation. What is the most appropriate next step to evaluate an occult cardiac cause?
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