A pacemaker may be needed to relieve symptoms when no reversible cause — i.e. AV blocking medications or electrolyte disturbances — is found. The strip below shows a junctional rhythm with ...

Drug induced ... for pacemaker implantation. [1] Bradycardia or bradyarrhythmia in adults may be considered present if the heart rate is <60 beats/min in the setting of sinus rhythm, a variety ...

1,2 More of an unsolved problem is that of competitive rhythm between pacemaker-induced impulses and the patient's own intrinsic focus or foci. Sowton, 3 comparing mortality rates between patients ...

AV blockers are considered as reversible causes of AV block that do not require pacemaker (PM) implantation. However, controversial reports declared that a major part of these drug-induced AV ...

This ectopic focus becomes the predominant pacemaker of the heart. When the atrial rate is greater than 100 beats per minute, the rhythm is atrial tachycardia. If less than 100 beats per minute ...