Cardiac Physiology Review Flashcards
1
Q
What happens during Phase 0 of the ventricular AP?
A
Na+ channels open
2
Q
What happens during Phase 1 of the ventricular AP?
A
K1 channels open (between -90 mv and -50 mv)
Ca2+ channels open
3
Q
What happens during Phase 2?
A
Na+ channels and Ca 2+ channels
(Plateau)
4
Q
CO X TPR =
A
BP
5
Q
HR x SR =
A
CO
6
Q
SV is proportional to ___ and _____?
A
contractility and preload
7
Q
Preload is proportional to _______ and ________?
A
Venous tone and blood volume
8
Q
A
9
Q
A
