Anomalous coronary vasculature is a rare finding among the general population. Identifying such cases is important for preventing adverse outcomes such as sudden cardiac death. We present two rare cases of aberrant coronary anatomy. In Case 1, a 4-year-old male who presented with non-exertional chest pain was found to have anomalous coronary architecture on echocardiogram. Coronary computed tomography angiogram (CCTA) confirmed an anomalous origin of the left coronary artery from the right coronary sinus with a malignant interarterial course and myocardial bridging of the left anterior descending (LAD) artery. The patient underwent a successful surgical correction of the defects. In Case 2, a full-term infant female was born with a hypoplastic right ventricle and pulmonary atresia. CCTA showed a large fistula originating from the coronary sinus on the left that drained into the superior aspect of the mid right ventricular cavity, an anomalous bridge between the left and right atrial appendages, and five fistulous connections between various vessels. The patient was transferred to another facility for cardiac transplant.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6559691PMC
http://dx.doi.org/10.7759/cureus.4403DOI Listing

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