Cardiac Pacemaker Cardiac pacemaker is a device meant to give regular electrical pulses to the heart when the normal pacemaker function of the heart is defective. The normal
Electrical storm Electrical storm is a life threatening cardiac emergency characterized by recurrent ventricular tachycardia (VT)/fibrillation (VF). By definition three or more episodes separated by more than 5
Pacemaker AV interval vs PV interval AV interval indicates the paced atrioventricular interval and PV interval indicates sensed atrioventricular interval. This means that the ‘A’ of AV interval
Leadless pacemakers Weakest link in the pacemaker system is considered to be its lead, sometimes called it Achilles heel. This is because the lead system is prone for
Subcutaneous ICD (Implantable Cardioverter Defibrillator) Subcutaneous ICD (S-ICD) is the term used to designate ICDs which are purely subcutaneous, without any intracardiac leads. It was designed aiming to
Inappropriate ICD shocks Inappropriate implantable cardioverter-defibrillator shocks are one of the commonest adverse effects of ICDs, which can occur in up to about 25% of those implanted with
When not to implant an ICD? There are certain situations when the implantation of an implantable cardioverter defibrillator may not be ideal. Some of the following situations may
Downside of right ventricular apical pacing Right ventricular apical pacing, the usual method of pacing the right ventricle in single chamber and dual chamber pacing, can be deleterious
Who needs a Pacemaker? Anyone with chronic, symptomatic bradycardia Asymptomatic life threatening bradycardia in following situations: Long pauses more than 3 sec while awake Heart rate less than
