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Anomalous right coronary artery arising from left mainstem
Insights
A rare coronary artery anomaly, where the right coronary artery originates from the left mainstem, caused myocardial infarction without atherosclerosis. This unique single coronary artery presentation highlights a distinct congenital heart defect.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Vascular Anatomy
Background:
- Coronary artery anomalies are recognized in individuals with and without symptoms.
- Aberrant origins of coronary arteries can lead to significant clinical manifestations.
Abstract:
Various coronary artery anomalies occur in both symptomatic and asymptomatic individuals. We have described a unique case of an aberrant right coronary artery arising from the left mainstem, resulting in clinical myocardial infarction in the absence of coronary atherosclerosis. Though different anomalies of the right coronary artery have been described, we feel this case is unique in that the right coronary artery arises from the left mainstem, truly forming a single coronary artery.