Medicine, Cardiac Rhythm, Electrophysiology, Cardiology, Arrhythmia.
might spot a P wave before each NARROW QRS, so we know this is an atrial based beat. It has a P wave, it’s a nice narrow QRS complex, it’s following the right pathways in the heart’s conduction system. On this slide, we start off with 3 narrow QRS complexes, with associated P waves and, although a