Cardiac Physiology Review Flashcards Preview

Clin Med - Cardiology > Cardiac Physiology Review > Flashcards

Flashcards in Cardiac Physiology Review Deck (9)
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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