Cardiac muscle Flashcards
1
Q
Duration of systole
A
1/3
2
Q
Duration of diastole
A
2/3
3
Q
EDV equation accounting for resting tension
A
EDV=0.008×RT+1.0
4
Q
Stroke volume equation accounting for contraction tension
A
SV=0.006×CT
5
Q
Nernst equation
A
Nernst=61 log(outside/inside)
6
Q
During the early stage of ventricular systole, ventricular myocardial cells are:
A
refractory
7
Q
What occurs during the relative refractory period?
A
Hyperpolarization
8
Q
What occurs during the absolute refractory period?
A
Hypopolarization and repolarization