Nursing Management: Dysrhythmias

The nurse needs to estimate quickly the heart rate for a patient with a regular heart rhythm. Which of the following methods is best to use?

A. Print a 1-minute electrocardiogram (ECG) strip and count the number of QRS complexes

B. Count the number of large squares in the R-R interval and divide by 100.

C. Use the 3-second markers to count the number of QRS complexes in 6 seconds and multiply by 10.

D. Calculate the number of small squares between one QRS complex and the next and divide into 1500.

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