CV Flashcards
1
Q
blood supply of SA and AV nodes?
A
RCA
2
Q
blood supply of PDA?
A
85% R-dominant = RCA–>PDA
8% L-dominant = LCX–>PDA
7% co-dominant = RCA&LCX–>PDA
3
Q
which vessel supplies lateral and post walls of LV?
A
LCX
** also supplies anterolateral papillary muscle
4
Q
which vessel supplies anterior IV septum, anterior LV?
A
LAD
** also supplies anterolateral papillary muscle
5
Q
which vessel supplies the RV?
A
R marginal (acute)
6
Q
which vessel supplies posterior IV septum, posterior wall?
A
PDA
** also supplies posteromedial papillary muscle
7
Q
which is the most commonly occluded coronary artery?
A
LAD
8
Q
when does coronary blood flow peak?
A
early diastole
9
Q
what is the most posterior part of the heart?
A
LA
** enlgmt –> dysphagia (esophagus compression) or hoarseness (L recurrent laryngeal compression)
