The forbidden rhythm is the one rhythm that you should ... This time, you can hear that not all of the notes fall on the beat or even the offbeats in between.

Rhythm notation shows the duration of a note. Watch the video to hear the difference in note length and see the durations of different types of note.

The second ECG strip below shows an ectopic atrial rhythm. Note that the P wave is down in lead II and only up (not biphasic) in lead V1. If there is sinus rhythm, and the heart rate is less than ...