Pacemaker is indicated in which of the following condition: September 2007

Ans. C: Sick sinus syndrome Pacemaker indications Absolute indications for pacemaker placement include the following: Sick sinus syndrome Symptomatic sinus bradycardia Tachy-brady syndrome Atrial fibrillation with sinus node dysfunction Third-degree block/Complete AV block Chronotropic incompetence (inability to increase the hea rate to match a level of exercise) Prolonged QT syndrome Cardiac resynchronization therapy with biventricular pacing Acute myocardial infarction with second or third degree AV block Relative indications include the following: Cardiomyopathy (hyperophic or dilated) Severe refractory neurocardiogenic syncope