The Normal Width of the QRS Complex Is Which of the Following

question 44

Multiple Choice

The normal width of the QRS complex is which of the following? (Select all that apply.)

• A) 0.06 to 0.10 seconds.
• B) 0.12 to 0.20 seconds.
• C) 1.5 to 2.5 small boxes.
• D) 3.0 to 5.0 small boxes.
• E) 0.04 seconds or greater.

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Definitions:

Mm Hg

Millimeters of mercury, a unit of pressure commonly used to measure blood pressure, atmospheric pressure, and other types of low pressure.

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (BPM).

Sinoatrial Node

A group of cells in the heart that generates electrical impulses, acting as the heart's natural pacemaker.