8: Events of cardiac cycle Flashcards
1
Q
S1
A
Turbulence caused by closure of AV valves
2
Q
S2
A
Turbulence caused by closure of Semilunar valves
3
Q
S3
A
Deceleration of blood into ventricles
4
Q
S4
A
Atrial contraction
5
Q
What can cause an early heart sound
A
Ventricular premature contractions
6
Q
What happens when AV node is blocked
A
skipped beat
7
Q
Diastolic murmurs
A
AV valve stenosis
Aortic valve insufficiency
8
Q
Systolic murmurs
A
AV valve insufficiency
Aortic valve stenosis
Vetricular-septal defect
9
Q
Stenosis
A
Valve won’t open all the way when blood goes past it
10
Q
Insufficiency
A
Valve wont close all the way