Cardiac circulation! Flashcards
1
Q
What does the RCA typically supply?
A
Right atrium Most of right ventricle diaphragmatic surface part of the IV septum - posterior third SA node (60% of folk) AV node (80% of folk)
2
Q
What does the LCA typically supply?
A
Left atrium
Most of left ventricle
part of right ventricle
most of IVS - (anterior 2/3)
including the AV bundle of the conducting system of the heart through its perforating IV septal branches.
SA node in ~40% of people
3
Q
What is the origin of the right coronary artery?
A
Right aortic sinus
4
Q
What is the course of the RCA?
A
Follows coronary (AV) sulcus between atria and ventricles
5
Q
Where does the SA nodal Artery originate?
A
RCA near its origin.
6
Q
What does the SA nodal artery distribute to?
A
pulmonary trunk and SA node.
7
Q
Where does the SA nodal go?
A
Ascends to the Sa node
