You are using the 300, 150, 100, 75, 60, 50 method to determ…
You are using the 300, 150, 100, 75, 60, 50 method to determine the heart rate. You locate an R wave that falls on a bold line on the ECG paper. The next consecutive R wave after your starting points falls directly on the 3rd bold line. This patient’s heart rate is ______ beats per minute.