Care For Your Heart - Ectopic heartbeats are small changes in a heartbeat that is otherwise normal. These changes lead to extra or skipped heartbeats. Often there is not a clear cause
Fusion Beat - an overview | ScienceDirect Topics
Ventricular Ectopy • Florida Cardiology, P.A.
Case B21. Ventricular Premature Beats • ECGs at St Emlyn's