coronary circulation Flashcards
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
