Definitions Flashcards
1
Q
Preload
A
Degree of ventricular myocyte stretch at the end of diastole.
Determined by the end diastolic volume
2
Q
Afterload
A
The load the heart must eject blood against
3
Q
Contractility
A
Force of contraction for a given fibre length
4
Q
Elasticity
A
Ability of a vessel or hollow organ to recoil to its original dimensions once the distending or compressing force is removed
5
Q
Compliance
A
Ability of a vessel or hollow organ to distend and increase in volume
6
Q
Resistance vessels
A
Act to control blood local blood flow, increased resistance decreases blood flow
