If a rhythm is regular,the MOST accurate way to calculate heart rate is to count the number of small squares between two R waves and divide the total into:
A)60.
B)150.
C)1300.
D)1500.

Question

Quizplus · Accepted Answer

The most accurate way to calculate heart rate with a regular rhythm is to count the number of small squares between two R waves and divide that number into 1500. This method is based on the standard ECG paper speed of 25 mm/sec, with each small square representing 0.04 seconds.

If a Rhythm Is Regular,the MOST Accurate Way to Calculate