B4-011 ECG Interpretation Flashcards
1
Q
things that can effect ECG reading
A
breast tissue
fat
body hair
sweat
2
Q
frontal leads
A
V1-V6
3
Q
6 steps to reading an ECG
A
- rate
- rhythm
- axis
- intervals
- hypertrophy
- ischemia
4
Q
atrial depolarization
A
p wave
5
Q
ventricular depolarization
A
QRS complex
6
Q
ventricular repolarization
A
t wave
7
Q
how to calculate the rate
A
R-R intervals x6
8
Q
normal PR interval
A
120-200 ms
3-5 small boxes
9
Q
normal QRS interval
A
80-120 ms
2-3 small boxes
10
Q
normal QT interval
A
300-440 ms
1.5-2.5 large boxes
11
Q
each small box is
A
40 ms
12
Q
each large box is
A
200 ms
13
Q
has a p wave before every QRS
A
sinus
14
Q
ST depression, T wave inversion
A
MI