Pressure and Flow in Arteries and Veins Flashcards
1
Q
What are Korotkoff sounds?
A
Sounds that can be auscultated (heard) using a sphygmomanometer and stethoscope
2
Q
What are korotkoff sounds used to measure?
A
Arterial Pressure
3
Q
Arterial pressure waves are affected by what four variables?
A
- Stroke volume
- Velocity of ejection
- Elasticity of arteries
- Total peripheral resistance
4
Q
What is considered to be a normal arterial pressure?
A
120/180
5
Q
What affect does age have on pulse pressure?
A
Increases with age
6
Q
Veins ar distensible and collapsable; what five factors can effect this?
A
- Gravity
- Skeletal pump
- Respiratory pump
- Venomotor tone
- Systemic filling pressure