Cardiovascular Flashcards
1
Q
P wave
A
Atrial depolarization
2
Q
QRS complex
A
Ventricular depolarization
3
Q
T wave
A
Ventricular repolarization
4
Q
QT interval
A
Period of ventricular depolarization + repolarization
5
Q
PR segment
A
AV node conduction
6
Q
ST segment
A
Isoelectric
Correlates with plateau of ventricular AP
7
Q
U waves
A
Hypokalemia
8
Q
Tall t waves
A
Hyperkalemia
9
Q
Prolonged QT interval
A
Hypocalcemia
10
Q
Shortened QT interval
A
Hypercalcemia
11
Q
Stable resting membrane potential
A
-90 mV
12
Q
Produces changes in contractility
A
Inotropic effect
13
Q
Produces changes in rate of relaxation
A
Luistrophic effect
14
Q
Produces changes in rate of relaxation
A
Chronotropic effect
15
Q
Produces changes in heart rate
A
Chronotropic effect
