CV Flashcards
1
Q
Define preload
A
volume of blood in ventricles at end of diastole
2
Q
define afterload
A
pressure needed to overcome by the ventricles during ejection
3
Q
define contractility
A
instrinsic ability for heart to contract (can be increased by sympa activity and increase preload due to stretch)
4
Q
define elasticity
A
ability to return to normal shape after stretching by recoiling once the force has been removed
5
Q
define compliance
A
ability to distend and increase in volume
6
Q
define resistance
A
action of blood vessels to control blood flow (increased resistance = reduced flow)
