Fact-sheet: Congenital absence of the left main coronary artery


Updated on 11/22/2023 at 4:16 PM

Note : 0/10

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Definition

Relatively common coronary artery origin variant characterized by separate origins of the left anterior descending artery and the circumflex artery, both arising from the antero-left sinus via distinct ostia.

Clinical features

Usually asymptomatic and an incidental finding.

Vascular intervention

On coronary angiography, direct selective catheterization of the LAD or the circumflex artery.