This ectopic focus becomes the predominant pacemaker of the heart. When the atrial rate is ... tachycardia is seen very commonly on ambulatory ECG monitoring in the elderly and is frequently ...

The ECG will show a premature, ectopic P wave and then no QRS complex afterward. When this occurs in a pattern of bigeminy, the interpreter may be fooled into thinking that sinus bradycardia is ...

In this review, the authors discuss the role of ECG in prediction ... ectopic beats; and re-entry – atrial tachyarrhythmia; and higher vulnerability to arrhythmia – heart rate and its variability.

Single ventricular premature complexes (VPCs), as well as pairs and triplets of VPCs, were observed in the initial and follow-up ECG. VPCs (also called ventricular premature contractions ...