ACC GUIDELINES Bundle (free trial)

Table 2. Choice of Pacemaker Generator in Selected Indications for Pacing Pacemaker Generator Sinus Node Dysfunction Single-chamber atrial pacemaker •  No suspected •  Not appropriate •  Not appropriate abnormality of AV conduction and not at increased risk for future AV block •  Maintenance of AV synchrony during pacing desired •  Maintenance of •  Chronic AF •  Chronic AF AV synchrony or other atrial or other atrial during pacing not tachyarrhythmia tachyarrhythmia necessary or maintenance of AV synchrony during pacing not necessary •  Rate response •  Rate response •  Rate response available if available if available if desired desired desired Single-chamber ventricular pacemaker Atrioventricular Block Neurally Mediated Syncope or Carotid Sinus Hypersensitivity •  AV synchrony during pacing desired •  Rate response available if desired •  Sinus mechanism present •  Suspected abnormality of AV conduction or increased risk for future AV block •  Rate response available if desired Dual-chamber pacemaker •  AV synchrony during pacing desired •  Rate response available if desired •  Atrial pacing desired •  Rate response available if desired Single-lead, atrialsensing ventricular pacemaker •  Not appropriate •  Desire to limit the number of pacemaker leads •  Not appropriate 15

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