Cardiology Ectopic Beats:
In a Pre-mature Atrial Contraction (PAC) along with PVC's, and PJC's, is the underlying rhythm going to be Normal Sinus/Sinus Brady/Sinus Tach/Sinus Arrhythmia, or can the underlying rhythm be for example: Atrial Tach/Idioventricular/Accl. Junctional, etc?