Section 1E Flashcards
0
Q
WHere is lead I found
A
Between the electrodes place on each arm
1
Q
A 3 lead ECG has how many electrodes
A
4
2
Q
What is a lead?
A
Particular view of electrical activity of the heart
3
Q
How many electrodes are used in a 12 lead ECG?
A
10 electrodes - 4 limbs, 6 Precordial (give 6 vies each)
4
Q
P wave is?
A
Depolarization of the atria
5
Q
QRS complex is?
A
depolarization of the ventricles
6
Q
T wave is?
A
Repolarization of ventricles
7
Q
PQ segment indicates what?
A
the time when the impulse is traveling through the AV node, Bundle of His and bundle branches
8
Q
The intrinsic rate of phase 4 depolarization is Fastest where? and Slowest where
A
Fastest: SA node
Slowest: Purkinje fibers