Electrocardiogram (ECG)paper Contains a Standardized Grid Where the Horizontal Axis

question 26

Multiple Choice

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.