When reviewing a cardiac rhythm strip, the respiratory therapist notices that there are three large boxes between two QRS complexes. Approximately what is this patient's heart rate?
A) 60
B) 75
C) 100
D) 150

Question

Quizplus · Accepted Answer

The heart rate can be estimated by dividing 300 by the number of large boxes between two QRS complexes. Here, 300 divided by 3 equals 100, indicating a heart rate of approximately 100 beats per minute.

When Reviewing a Cardiac Rhythm Strip, the Respiratory Therapist Notices