Ashman phenomenon (1947) aberrant ventricular conduction, usually of RBBB morphology, which follows a short RR interval and preceeded by a relatively prolonged RR interval.
Richard F. Ashman (1890-1970) was an American physiologist. Eponymously affiliated with Ashman phenomenon he first described in 1947
Atrial Fibrillation (AF) is the most common sustained arrhythmia. Lifetime risk over the age of 40 years is ~25%. ashman phenomenon