Coronary Circulation

What arteries supply the left ventricle?

Is supplied by the circumflex, posterior descending artery, left anterior descending artery and anterior left main artery.

What arteries supply the anterior right ventricle?

Is supplied by the right coronary artery (marginal branch), and left anterior descending if L sided dominance system.

What areas does the left anterior artery supply?

It supplies the anterior and anterio-lateral LV, 2/3 of the septum, medial-anterial RV, lower 1/3 of posterior RV

What artery supplies the SA node?

The SA node is supplied by the right coronary artery in 55% of people and the circumflex artery in 45% of people.

What areas of the heart does the circumflex artery supply?

The circumflex artery supplies the posterolateral aspect of the LV, sometimes the inferior LV, the posterior left bundle and AV node.

What arteries supply the right bundle, posterior bundle and left anterior side of the heart?

These areas are supplied by the left anterior descending artery, septal branches and AV nodal artery.

What artery supplies the AV node and Bundle of HIS?

They are both supplied by the right coronary artery in 90% of people and the circumflex in 10% of people.

What artery supplies the apex of the heart?

The left anterior descending artery.

What area does the right coronary artery supply?

The right coronary artery supplies the anterior RV, upper 1/2 (basal) posterior wall, posterior 1/3 of septum, posterior left bundle, inferior LV, usually AV and proximal bundle of HIS via AV nodal branch.

What arteries supply the posterior right ventricle?

The right ventricle is supplied by the right coronary artery, the posterior descending artery and the left anterior descending artery.

What arteries supply the septum of the heart?

The septum is supplied by the septal branches of the left anterior descending artery, the posterior descending artery and the AV nodal branch of the right coronary artery.

What artery supplies the right atrium?

The sinus nodal artery. (55% of people are supplies by the right coronary artery, and 45% by the circumflex)