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Case Reports in Cardiology
Volume 2015, Article ID 580543, 3 pages
Case Report

Type 4 Dual Left Anterior Descending Artery: A Very Rare Coronary Anomaly Circulation

Department of Interventional Cardiology, Heart Institute of the University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 44, 05403-900 São Paulo, SP, Brazil

Received 5 February 2015; Accepted 27 March 2015

Academic Editor: Kenei Shimada

Copyright © 2015 Marcos Danillo Peixoto Oliveira et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Coronary artery anomalies are congenital changes in their origin, course, and/or structure. They are the second most frequent cause of sudden death in young athletes. Dual LAD artery is a rare coronary anomaly. We present the case of a 44-year-old man with recent onset exertional angina and documented ischemia whose coronary angiogram and computed tomography (CT) showed type 4 dual LAD artery, the rarest and most interesting variant.