Anomalous left coronary artery arising from the noncoronary cusp (LCANCC) is a rare congenital disorder. We herein describe a 17-year-old female patient with sudden cardiac arrest followed by refractory cardiogenic shock. LCANCC-induced acute myocardial infarction with left main coronary artery involvement was subsequently diagnosed, and the patient required a durable left ventricular assist device.
<Learning objective: Anomalous left coronary artery arising from the noncoronary cusp is extremely rare, but poses a life-threatening condition. Coronary computed tomography angiography plays a crucial role for the assessment of high-risk anatomic features and decision-making for surgical repair.>
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Published online: January 03, 2022
Accepted: November 22, 2021
Received in revised form: October 23, 2021
Received: August 4, 2021
© 2021 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.