Absence of Left Circumflex Artery: A Rare Congenital Disorde
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Congenital absence of left circumflex artery is a rare occurrence and very few cases have been reported in literature. It is a benign incidental finding; however some patients present with sudden onset chest pain mimicking acute coronary syndrome often resulting in detection of this rare anatomy on coronary angiography. Coronary computed tomography angiography is a relatively new noninvasive imaging modality which can be used to confirm this suspicion and diagnose this unique morphology reliably.In this article, we describe a case of a 58-year-old female presenting with exertional dyspnea who underwent stress test which was positive for ischemia in left anterior descending (LAD) territory.Coronary angiography was suspicious for absent LCX which was later confirmed with the gold standard, coronary computed tomography angiography (CCTA)....

https://www.hindawi.com/journals/cric/2017/8710135/
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