How to Read a Normal ECG Flashcards
1
Q
x-axis big box value
A
0.2 sec
2
Q
x-axis little box value
A
0.04 sec
3
Q
y axis big box value
A
0.5 mV
4
Q
How many volts should the callibration be?
A
1.0 mV and 0.2 sec
5
Q
normal PR interval
A
0.12-0.20 sec
6
Q
normal QRS interval
A
up to 0.10 sec
7
Q
normal QT interval
A
use a corrected number QTc = QT/sqrt(RR)
upper limit for men is about 0.45 sec
upper limit for women is about 0.46 sec
