The nurse using cardiac monitoring understands that each horizontal box on the electrocardiogram (ECG)paper indicates
A) 200 milliseconds or 0.20 seconds duration.
B) 40 milliseconds or 0.04 seconds duration.
C) 3 seconds duration.
D) millivolts of amplitude.

Question

Quizplus · Accepted Answer

ECG paper contains a standardized grid where the horizontal axis measures time and the vertical axis measures voltage or amplitude.Horizontally,the smaller boxes denote 0.04 seconds each or 40 milliseconds; the larger box contains five smaller boxes and thus equals 0.20 seconds or 200 milliseconds.

The Nurse Using Cardiac Monitoring Understands That Each Horizontal Box