coronary circulation Flashcards
(10 cards)
how does art muscle get blood
coronary arteries
where do coronary arteries arise
immediately superior to the cusps of the aortic valve, from the aortic sinuses
3 sinuses of the aortic valve
posterior aortic, left aortic, right aortic
right coronary artery arises from __
right aortic sinus
left coronary artery arises from __
left aortic sinus
left coronary artery supplies __
LA, mostly LV, some RV, anterior IV septum, SA node (40 %)
right coronary artery supplies __
RA, mostly RV, some LV, posterior IV septum, SA node (60%)
left coronary artery divides into __
anterior IV branch and smaller circumflex branch
right coronary artery divides into __
ascending sinoatrial node branch, marginal branch, posterior interventricular branch
deoxygenated blood from the heart tissue is drained into __ and into __
coronary sinus, right atrium
