EKG certification Practice Test
EKG certification Certification FREE EKG Certification Question and Answers 3
On an EKG, what is the normal duration of the QRS complex?
Select your answer
A
0.06 to 0.10 seconds
B
0.12 to 0.20 seconds
C
0.04 to 0.06 seconds
D
0.20 to 0.24 seconds
Hint
