AACN CSC Review Course Session 1 Study Guide
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
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Practice questions for this set
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normal SvO2 in heart
Choose an answer
1 coronary perfusion pressure 2 Left main
3 60-80% 4 30-35%
Don't know?
Terms in this set (76)
, at rest the myocardium extracts ___% of available
70%
oxygen
30-35% normal SvO2 in heart
60-80% normal SvO2 in body
coronary perfusion DBP - LVEDP
pressure
> 40 mmHg normal coronary perfusion pressure
coronary circulation is a constant due to
auto-regulation
_______________________.
the coronary arteries originate behind the respective
aortic
________ valve leaflets
bifurcates into the LAD and Cx arteries; 2-5cm long;
left main coronary artery
not grafted directly
the left main is inaccessible without dividing the _____
PA and aorta
and _____
what are the 3 main segments of the coronary
left main, circumflex, RCA
circulation
coronary artery that courses AV groove beneath LAA;
circumflex artery
has obtuse marginal branches
supplies anterior wall, ant 2/3 septum, post/inf LBB,
LAD
bundle of his; RBB, LV apex
supplies SA node (45%), AV node (10%), inferior LV,
Cx artery
lateral LV wall, LA, post/inf LBB
3 vessels of equal diameter between LAD and Cx;
supplies large area of LV b/t LAD and Cx arteries;
tertiary left main
usually subepicardial; may give pt a perfusion
advantage
supplies SA node (55%), AV node (90%), bundle of his,
RCA RA and RV, inferior LV, post. 1/3 of septum, post/inf
division of left bundle
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
normal SvO2 in heart
Choose an answer
1 coronary perfusion pressure 2 Left main
3 60-80% 4 30-35%
Don't know?
Terms in this set (76)
, at rest the myocardium extracts ___% of available
70%
oxygen
30-35% normal SvO2 in heart
60-80% normal SvO2 in body
coronary perfusion DBP - LVEDP
pressure
> 40 mmHg normal coronary perfusion pressure
coronary circulation is a constant due to
auto-regulation
_______________________.
the coronary arteries originate behind the respective
aortic
________ valve leaflets
bifurcates into the LAD and Cx arteries; 2-5cm long;
left main coronary artery
not grafted directly
the left main is inaccessible without dividing the _____
PA and aorta
and _____
what are the 3 main segments of the coronary
left main, circumflex, RCA
circulation
coronary artery that courses AV groove beneath LAA;
circumflex artery
has obtuse marginal branches
supplies anterior wall, ant 2/3 septum, post/inf LBB,
LAD
bundle of his; RBB, LV apex
supplies SA node (45%), AV node (10%), inferior LV,
Cx artery
lateral LV wall, LA, post/inf LBB
3 vessels of equal diameter between LAD and Cx;
supplies large area of LV b/t LAD and Cx arteries;
tertiary left main
usually subepicardial; may give pt a perfusion
advantage
supplies SA node (55%), AV node (90%), bundle of his,
RCA RA and RV, inferior LV, post. 1/3 of septum, post/inf
division of left bundle
