Coronary Artery Disease Flashcards
1
Q
What defines coronary dominance?
A
Which artery (right or circumflex) supplies the PDA and thus AV node. 70% are right dominant and 20% co-dominant.
2
Q
Which coronary artery supplies the inferior wall?
A
Post desc and acute marginal branch (RCA)
3
Q
What supplies the SA node?
A
proximal RCA
4
Q
What supplies the AV node?
A
PDA (usually RCA, 10% Cx)
