Long-standing Type 2 Diabetes in Medicine / Internal Medicine — 72yo Man | Cardiology | SMLE Q#17536
SMLE Question #17536
Medicine / Internal Medicine
Cardiology
Objective: OBJ-163
Last updated: February 2026
A 72-year-old man with long-standing type 2 diabetes mellitus and hypertension is admitted with sudden severe diffuse abdominal pain and peritoneal signs. Emergency exploratory laparotomy shows necrotic small bowel requiring resection. Postoperatively, the surgical team requests evaluation for a possible cardiac embolic source. He has no chest pain, palpitations, or syncope. ECG shows sinus rhythm. Transthoracic echocardiography shows normal biventricular function with no intracardiac thrombus or significant valvular disease. What is the most appropriate next test to evaluate an occult cardiac embolic source?
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