Lab 7 Flashcards
1
Q
Depolarization of mycardial cells in atria, initiated by SA node
A
P Wave
2
Q
Depolarization of myocardial cells in ventricles
A
QRS complex
3
Q
Repolarization of myocardial cells in ventricles
A
T Wave
4
Q
Baseline of ECG
A
Isoelectric line
5
Q
Interval represents time delay between depolarization of atria and ventricles
A
PR wave
6
Q
Interval represents time for impulse to be distributed over entire ventricular myocardium
A
QRS interval
7
Q
Interval represents total time between ventricular depolarization and repolarization
A
QT interval
8
Q
How long does PR interval last
A
0.12-0.20 seconds
9
Q
How long is QRS interval
A
0.08-0.12 seconds
10
Q
How long does QT interval last
A
0.35 seconds
