Coronary Artery Anatomy Flashcards
1
Q
Left circumflex artery supplies:
A
- lat and post wall of L ventricles
- papillary mc
2
Q
Left anterior descending artery supplies:
A
- anterior L vent wall
- anterior 2/3 of interventricular septum
- papillary muscle
3
Q
Posterior descending/interventricular artery supplies:
A
- post walls of vent
- post 1/3 of septum
- papillary muscle
4
Q
Right (acute) marginal artery supplies:
A
- right ventricle
5
Q
In a Right-dominant circulation (85%), the _________ arises from the _________.
A
Posterior descending artery, right coronary artery
6
Q
Coronary blood flow peaks:
A
early diastole
7
Q
Most posteior part of the heart
A
left atrium (enlargement can compress recurrent laryngeal n,)
8
Q
MI most commonly occludes:
A
LAD (left anterior descending)
9
Q
Left-dominant means
A
Post desc artery comes off of left circumflex
10
Q
Right-dominant means
A
Post desc artery comes off of right coronary artery
11
Q
What supplies the SA and AV nodes?
A
Right coronary artery
