Cardiovascular physiology VII

1. What is the normal duration of protodiastole?

0.04 s

2. What is the name of the weak aortic-insuffciency pulse?

Collapsing pulse / Corrigan / Water hammer pulse

3. How in a jugular venous pulse tracing, the regurgitation of some blood into the great veins during the atrial systole be detected?

As the first positive ‘a’ wave’

4. In jugular venous pulse what is the cause of positive wave ‘v’

Rise in right atrial pressure towards the end of atrial diastole

5. What is the normal duration of the first heart sound?

0.15 s

6. What is the frequency of the first heart sound?

25 - 45 Hz

7. What is the normal duration of second heart sound?

0.12 s

8. What is the normal duration of the third heart sound?

0.1 s

9. What is the alternate name for murmurs?

Bruits

10. What is narrowing of the orifice of the cardiac valve called?

Stenosis

(Physiology; UMS 2008)