PTA Question of the Week - QRS complex

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You are calculating a patient's heart rate by counting the number of QRS complexes in a six-second electrocardiogram strip. Assuming that there are eight QRS complexes in the strip, the patient's heart rate should be recorded as:

1. 40 bpm
2. 60 bpm
3. 80 bpm
4. 100 bpm

The solution will be posted in a few days

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