Question

Electrocardiogram (ECG) paper contains a standardized grid where the horizontal axis measures time and the vertical axis measures voltage or amplitude. The nurse must understand that each horizontal box 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.

Answer 1

Each horizontal box on ECG paper indicates a duration of 0.04 seconds or 40 milliseconds.

Step-by-step explanation:

An electrocardiogram (ECG) paper contains a standardized grid where the horizontal axis measures time and the vertical axis measures voltage or amplitude. Each horizontal box on the ECG paper indicates a duration of 0.04 seconds or 40 milliseconds. This allows medical professionals to accurately measure and analyze the electrical activity of the heart.