Single Chamber and Dual Chamber Pacemakers

Purpose of Technology

A pacemaker is a small, battery-powered device, typically implanted under the skin in the chest near the collarbone, with wires leading directly to the ventricle(s) and/or atrium(a) of the heart. These devices treat cardiac arrhythmias by delivering electrical stimulation to the heart to support a regular heartbeat. Single-chamber pacemakers (SCPMs) employ a single atrial or ventricular lead, whereas dual-chamber pacemakers (DCPMs) use leads placed in both the atrium and ventricle.

Relevant Questions

  • Does the use of DCPMs, compared with SCPMs, result in different rates of AF?

  • How do DCPMs compare with SCPMs regarding measures of safety (death, stroke, HF)?

  • Does the use of DCPMs plus MinVPs, compared with DCPMs, result in different rates of AF?

  • How do DCPMs plus MinVPs compare with DCPMs regarding measures of safety (death, stroke, HF)?

  • Have definitive patient selection criteria been established for use of SCPMs or DCPMs or DCPMs plus MinVPs?

 

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