Ventricular Trigeminy

Ventricular trigeminy is named after a premature ventricular complex (PVC) that happens after every third beat. This can happen with alternating sinus or junctional complexes Read More

Wandering Pacemaker

Also referred to as multiformed atrial rhythm, is a dysrhythmia with at least 3 different P waves originating from the SA node, atria and/or the Read More

Waveform

A wave of an ECG. 1. Six Second ECG Guidebook (2012), T Barill, p. 209 Read More

Wenckebach

A physiologist of the late 19th and early 20th century, who is responsible for the discovery of the Second Degree AV Block Type I and Read More

Woolf-Parkinson-White Syndrome (WPW)

Pre-excitation syndrome characterized by the early depolarization of the ventricle(s) via an accessory pathway (other than the AV junction) resulting in an early initiation of Read More