The blood supply of the heart consists of the right and left
coronary arteries (see figures 104c, 104d, 104e, 104f, 104g,
104h)
A.
Right & Left Coronary Arteries
|
B.
Branches of Right Coronary Artery |
1. Main
2. Posterior Descending Branch
3. Sinus Node branch
C.
Branches of Left Coronary Artery |
1. Main
2. Left Anterior Descending (LAD)
3. Circumflex
D.
Blood Supply of Cardiac Conduction System |
(see
figures 104f, 104g, 104h)
1.
Sinus Node Artery Supplies Blood to Sinus Node
a. Origin of Sinus
Node Artery
2. AV Nodal Artery Supplies Blood
to the AV node
a. Origin of AV Nodal
Artery
3. LAD supplies the right and
left bundle branches