Medicine, Cardiac Rhythm, Electrophysiology, Cardiology, Arrhythmia.
there are some RR intervals of 1790 milliseconds, and it’s not tachycardia, although there are some RR intervals of only 570 milliseconds. The patient actually marked this as a symptomatic episode, so we need to know what’s going on. Firstly, is this an atrial originating rhythm? The discerning eye