How do you determine the heart rate from a regular ECG tracing?
A. Count the number of ST segments in a 60-second strip
B. Multiply the number of QRS complexes in a 6-second strip by 10
C. Multiply the number of QRS complexes in a 10-second strip by 10
D. Count the P waves in a 20-second strip
E. Count the number of QRS complexes in a 30-second strip
B. Multiply the number of QRS complexes in a 6-second strip by 10
To find the patient's heart rate, multiply the number of QRS complexes in a 6-second strip by 10.
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