Coronary Arteries <3

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Right Coronary Artery (RCA) DESCRIPTION:

Branches from the ascending aorta, just above the aortic valve, and encircles the heart in the coronary sulcus.

Circumflex artery DESCRIPTION:

Branches off the LCA, is located in the coronary sulcus.

Anterior interventricular artery DESCRIPTION:

Branches off the left coronary artery, is located in the anterior interventricular sulcus. This artery is clinically referred to as the left anterior descending artery (LAD).

Right marginal artery DESCRIPTION:

Branches off the right coronary artery and is located in the later portion of the right ventricle.

Posterior interventricular artery DESCRIPTION:

Branches off the right coronary artery and is located in the posterior interventricular sulcus.

The left coronary artery branches into what?

The anterior interventricular artery and the circumflex artery.

The anterior interventricular artery supplies what area?

The anterior portion of the interventricular septum, and the anterior walls of both ventricles.

The right marginal artery supplies what area?

The lateral right side of the heart.

Cicumflex artery supplies what area?

The left atrium and the posterior portion of the left ventricle.

The posterior interventricular artery supplies what area?

The posterior walls of the ventricles and the posterior portion of the interventricular septum.

The right coronary artery branches into what?

The right marginal artery and the posterior interventricular artery.

Left coronary artery (LCA) DESCRIPTION:

Branches from the ascending aorta and passes posterior to the pulmonary trunk.

Near the apex of the heart what two arteries merge (anastomoses)?

Posterior interventricular artery and the anterior interventricular artery.


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