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Bilateral origin of a split left anterior descending coronary artery combined with atypical branching of the left circumflex coronary artery
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A 51 year old diabetic presented with a five hour history of severe chest pain at a community hospital. The ECG showed an acute anterolateral wall myocardial infarction and the patient was treated with intravenous tissue plasminogen activator (t-PA). Because of postinfarction angina, he was referred for coronary angiography.
Selective coronary angiography revealed an unusual coronary artery anomaly. The dominant right coronary artery (RCA) arose from the appropriate sinus of Valsalva. However, an ectopic left anterior descending coronary artery (LAD) was seen to originate from the proximal part of the …