The left coronary artery (LCA, also known as the left main coronary artery, or left main stem coronary artery) is a coronary artery that arises from the aorta above the left cusp of the aortic …

Coronary arteries supply blood to the heart muscle. There are two main coronary arteries: the right and the left.

Mar 8, 2024 · The left main coronary artery is relatively short but critical, as it delivers oxygenated blood to approximately two-thirds of the myocardium. Any obstruction or compromise in blood …

Jul 25, 2025 · The left main coronary artery (LMCA) or left coronary artery (LCA) is one of the two main coronary arteries that supply the heart with oxygenated blood.

Oct 30, 2023 · The left coronary artery (LCA) is one of two coronary vessels (heart vessels) that supply blood to the heart muscle. It arises from the left aortic sinus of the ascending aorta.

5 days ago · Blockage of the left main coronary artery can be very serious. Advanced medical care is available for heart health issues. Understanding Coronary Circulation and Cardiac …

Jun 2, 2025 · Your left main coronary artery (LMCA) supplies blood to your left atrium and ventricle. This is where oxygen-rich blood arrives from your lungs before your heart pumps it …

Left coronary artery arises from the left aortic sinus and branches into the anterior interventricular and circumflex arteries to supply the left myocardium. The left coronary artery (LCA) is one of …

The left coronary artery travels from the aorta, and passes between the pulmonary trunk and the left atrial appendage. Under the appendage, the artery divides (and is thus a very short vessel) …

Nov 6, 2025 · When the heart is relaxed, the back-flow of blood fills these valve pockets, therefore allowing blood to enter the coronary arteries. The left coronary artery (LCA) initially branches …