Coved-type ST-elevation during ablation of ischemic ventricular tachycardia
Yuichi Hori1, Shiro Nakahara1, Naofumi Tsukada1
1Department of Cardiology, Dokkyo Medical University Koshigaya Hospital, Saitama, Japan.
Abstract:
A coved-type electrocardiogram (ECG) change in Brugada syndrome is suggested to be the result of abnormally delayed depolarization over the right ventricular outflow tract; however, ischemia of the conus branch of the right coronary artery presents the same ECG change. A 63-year-old man with a history of myocardial infarction demonstrated a transient coved-type ECG change during catheter ablation of ventricular tachycardia. The ECG change appeared during left ventricular mapping without any chest symptoms, and recovered spontaneously. A pilsicainide test was negative and a coved-type ECG did not appear during the perioperative or follow-up period.
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