Glossary/Coronary Artery Disease

Left Main Disease.

Significant narrowing of the left main coronary artery, which supplies blood to roughly two-thirds of the heart. Considered high-risk because a blockage here threatens a large portion of heart muscle. Often treated with CABG.

Definition

What is left main disease?

Significant narrowing of the left main coronary artery, which supplies blood to roughly two-thirds of the heart. Considered high-risk because a blockage here threatens a large portion of heart muscle. Often treated with CABG.

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Related Terms

Related glossary terms.

CABG
Coronary Artery Bypass Grafting. An open-heart surgery that creates new routes for blood to flow ...
PCI
Percutaneous Coronary Intervention, also called coronary angioplasty with stenting. A catheter-ba...
SYNTAX Score
A scoring system that grades the complexity of coronary artery disease based on angiographic find...
LAD
Left Anterior Descending artery. The largest and most important coronary artery, supplying blood ...
See Also

Related conditions we review.

Left Main Coronary Disease
LVAD (Left Ventricular Assist Device)
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Left Atrium
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Left Ventricle
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