Heart Flashcards
1
Q
Lub dub
A
Lub- av valves closing
Dub- semilunar valves closing
2
Q
Systole
A
Ventricle contraction
3
Q
Diastole
A
Ventricle relaxation
4
Q
End diastolic volume
A
Blood in ventricle at the end of diastole
5
Q
End systolic volume
A
Blood remaining in ventricle after systole
About 1/3 of the blood remaining in ventricle after systole
6
Q
Isovolumetric contraction
A
Atria relaxed. Ventricles contract
Av valves closed
During systole
7
Q
Ejection
A
Push blood out of chamber by opening sv valves
During systole
8
Q
Isovolumetric relaxation
A
Atria relaxed. Ventricles relaxed. Sv vaulves closed.
During diastole
9
Q
Rapid filling
A
Filling of both atria and ventricle. Av valves open.
Diastole
10
Q
Atrial contraction
A
Atria contracts to help push more blood into ventricle
