Diabetes in Medicine / Internal Medicine — 72yo Man | Cardiology | SMLE Q#18195
SMLE Question #18195
Medicine / Internal Medicine
Cardiology
Objective: OBJ-163
Last updated: February 2026
A 72-year-old man with diabetes and hypertension underwent emergent small-bowel resection for acute mesenteric ischemia. An embolic cause is suspected. He reports brief episodes of palpitations occurring almost daily over the past 2 weeks. Postoperatively, a 12-lead ECG shows sinus rhythm. Transthoracic echocardiography shows normal LV function with no valvular vegetations or intracardiac thrombus. What is the next best test to evaluate for an intermittent cardiac arrhythmia as the embolic source?
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