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School of Medicine




The prevalence of congenital coronary artery anomalies is approximately 1% in the general population. They are a common cause of sudden death in younger persons. Congenital absence of the left circumflex artery is usually a benign condition but can cause symptoms of exertional angina. We present a case of a 59-year-old female who presented with complaints of chest pain. She was evaluated by the cardiology service. An invasive angiogram identified the absence of the circumflex artery, a large right coronary artery, and large septal and diagonal branches of the left main coronary artery possibly as a compensatory mechanism to supply blood to the LCx territories. It is important to define coronary anatomy as anomalies dictate which cardiac intervention should be attempted in cases of ischemia.

Source Citation

Rawala, M. S., Ahmed, A. S., Iqbal, M. A., Iqbal, A., Budde, P. K., & Rizvi, S. B. (2019). Congenital anomaly of coronary artery: absence of left circumflex artery. Journal of Community Hospital Internal Medicine Perspectives, 9(2), 140–142.


© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of Greater Baltimore Medical Center.



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