CRAT - Certified Rhythm Analysis Technician Practice Test
CRAT ECG Waveform Measurements and Intervals
What is the normal duration of the PR interval on a standard ECG?
Select your answer
A
0.06–0.10 seconds
B
0.12–0.20 seconds
C
0.22–0.30 seconds
D
0.30–0.40 seconds
Hint
