Partial Anomalous Pulmonary Venous Return With Persistent Angina: Simulating Coronary Artery Disease

Abstract

Partial anomalous pulmonary venous return (PAPVR) is an uncommon adult congenital heart disease caused by an abnormal return of one or more, but not all, of the pulmonary veins to the right atrium or indirectly through venous connections from the anomalous pulmonary vein. Presentations vary from incidental findings to severe heart failure and diagnosis could easily be missed. We report a case of PAPVR in a 51-year-old male with a history of coronary artery bypass surgery presenting with exertional dyspnea and chest discomfort which were initially interpreted as angina in light of patient