Medicine, Cardiac Rhythm, Electrophysiology, Cardiology, Arrhythmia.
beat per second or a heart rate of 60bpm. Our patient has an RR interval — the gap between one R wave and the next — of 1074 milliseconds. So, just slightly less than 60bpm. A little further on it records an 1102 millisecond RR interval — so we’re on our way down towards around 52–54bpm. So, is it