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Anomalous left coronary artery

Anomalous left coronary artery

Overview

Anomalous left coronary artery is a heart defect in which the left coronary artery, which usually carries blood to a large portion of the heart muscle, does not form correctly. This causes the heart to not receive enough oxygen for it to pump correctly. This heart defect is present at birth and happens during the development of the baby's heart and vessels.

Review Date 5/16/2018

Updated by: Michael A. Chen, MD, PhD, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.