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Korean J Med > Volume 86(5); 2014 > Article
The Korean Journal of Medicine 2014;86(5): 618-622.
좌전하행지에서 기원하는 우관상동맥을 가진 환자에서 발생한 심근경색
이동열1, 이혜정1, 강상현1, 김은석1, 이동현1, 박종성1, 강은주2
1동아대학교 의과대학 내과학교실
2동아대학교 의과대학 영상의학과학교실
Acute Myocardial Infarction in a Patient with an Anomalous Origin of the Right Coronary Artery from the Left Anterior Descending Coronary Artery
Dong Yeol Lee1, Hye Jung Lee1, Sang Hyeon Kang1, Eun Seok Kim1, Dong Hyun Lee1, Jong Sung Park1, Eun-Ju Kang2
1Departments of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
2Departments of Radiology, Dong-A University College of Medicine, Busan, Korea
Corresponding Author: Jong Sung Park ,Tel: +82-51-240-5040, Fax: +82-51-240-5852, Email: thinkmed@dau.ac.kr
Received: May 21, 2013;   Revised: June 18, 2013;   Accepted: July 22, 2013.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
A 55-year-old male underwent coronary artery intervention for an acute myocardial infarction of the inferior or lateral wall. The initial left coronary angiogram showed total occlusion of the proximal left circumflex artery (LCX). There was an abnormal coronary artery originating from the mid-portion of the left anterior descending artery (LAD) and running to the right ventricular side. However, we could not identify the anomalous right coronary artery (RCA). We tried to find the RCA in the right coronary cusp to confirm the infarction-related artery, but failed. A focused left coronary angiogram in the posteroanterior projection revealed the entire anatomy of the anomalous RCA. An anomalous origin of the RCA from the LAD is a rare coronary artery anomaly that might affect the physician’s decision during coronary intervention. We report an anomalous origin of the RCA from the mid-LAD and discuss the anatomy and clinical significance. (Korean J Med 2014;86:618-622)
Keywords: 관상동맥 기형; 심근경색증
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