Arterial Supply To The Heart Flashcards
(11 cards)
1
Q
Right coronary (RCA)
A
Right atrium, SA and AV nodes, and posterior part of IVS
2
Q
SA nodal
RCA near its origin (in 60%)
A
Pulmonary trunk and SA node
3
Q
Right marginal
A
Right ventricle and apex of heart
4
Q
Posterior interventricular
RCA (in 67%)
A
Right and left ventricles and posterior third of IVS
5
Q
AV nodal
A
AV node
6
Q
Left coronary (LCA)
A
Most of left atrium and ventricle, IVS, and AV bundles; may supply AV node
7
Q
SA nodal
Circumflex branch of LCA (in 40%)
A
Left atrium and SA node
8
Q
Anterior interventricular
A
Right and left ventricles and anterior two thirds of IVS
9
Q
Circumflex
A
Left atrium and left ventricle
10
Q
Left marginal
A
Left ventricle
11
Q
Posterior interventricular
LCA (in 33%)
A
Right and left ventricles and posterior third of IVS
