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Case Reports in Medicine
Volume 2009 (2009), Article ID 790715, 3 pages
http://dx.doi.org/10.1155/2009/790715
Case Report

Coronary Sinus to Left Atrial Communication

Ohio Heart and Vascular Center, The Christ Hospital, Cincinnati, OH 45242, USA

Received 6 May 2009; Accepted 17 July 2009

Academic Editor: Alexander Bauer

Copyright © 2009 Vandhana Scheller 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.

Abstract

Congenital coronary sinus anomalies are rare in clinical practice, partly due to the lack of symptoms. We present a case of coronary sinus anomaly causing a right-to-left intracardiac shunt in a 46 years/old African American female with a past medical history of obstructive sleep apnea, diabetes mellitus, hypertension, coronary artery disease, and ischemic cardiomyopathy who presented with hypoxia. In the months prior to her presentation, she had suffered an inferior myocardial infarction with right ventricular involvement, as well as resulting severe tricuspid regurgitation. In conclusion, further investigations revealed a communication between the coronary sinus (CS) and left atrium (LA).