Sinus Flashcards
1
Q
depolarization
A
negative to positive
2
Q
repolarization
A
positive to negative
3
Q
P wave =
A
SA charge
-atrial repolarization
4
Q
AV charge on the EKG
A
the flat after the P wave
5
Q
Purkinje charge + ventricle contraction =
A
QRS
6
Q
QRS
A
Purkinje charge (ventricular depolarization)
Ventricle contraction (atrial repolarization)
7
Q
T wave
A
ventricular repolarization
-after ventricular contraction
8
Q
PR interval range
A
0.12-0.20 seconds
3-5 small boxes
9
Q
QRS range
A
<0.12 seconds
<3 boxes
10
Q
wide QRS may indicate…
A
impulse is from the ventricles
