MC The heart rate can be calculated using the ECG strip by

A. Counting the number of P waves in a 6-second strip and dividing by 10.
B. Dividing the number of small blocks between R waves into 1500.
C. Counting the number of QRS complexes in a 1-minute strip and dividing by 10.
D. Counting the number of QRS complexes in a 6-second strip and multiplying by 60.


A

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