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

The regular arrhythmia occurring at the beginning of the electrocardiogram was identified ... are impulses arising from ventricular ectopic foci. They are characterized by premature, wider-than ...

The regular arrhythmia occurring at the beginning of the electrocardiogram was identified ... are impulses arising from ventricular ectopic foci. They are characterized by premature, wider-than ...

Wandering atrial pacemaker occurs when multiple areas (ectopic foci) within the atrium generate consecutive action potentials that are all conducted to the ventricles. Thus, each QRS complex will ...