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Updated: Aug 12, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
16:40

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

Published on: February 28, 2012

[Wearable defibrillator : Current evidence]

David Duncker1, Christian Veltmann2

  • 1Rhythmologie und Elektrophysiologie, Klinik für Kardiologie und Angiologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland. duncker.david@mh-hannover.de.

Herzschrittmachertherapie & Elektrophysiologie
|October 26, 2018
PubMed

Insights

The wearable cardioverter-defibrillator (WCD) is safe and effective for preventing sudden cardiac death, especially in patients with cardiomyopathy. Proper patient selection and management are key to its successful use.

Area of Science:

  • Cardiology
  • Medical Devices

Background:

  • Wearable cardioverter-defibrillators (WCDs) are increasingly used for sudden cardiac death prevention.
  • Clinical registries show extensive use, with nearly 40,000 patients documented.

Purpose of the Study:

  • To review current data and recommendations for WCD use.
  • To highlight the role of WCDs in specific patient populations.

Main Methods:

  • Review of published clinical registries and one randomized study.
  • Analysis of WCD safety and efficacy data.

Main Results:

  • WCDs are safe and effective in preventing sudden cardiac death.
  • Patients with newly diagnosed cardiomyopathy and reduced left ventricular function benefit significantly.
  • WCDs provide protection during heart failure medication optimization in patients without ICD indications.

Conclusions:

  • WCDs are integrated into clinical practice and guidelines.
  • Careful patient selection and structured management are essential for optimal WCD prescription.
  • WCDs offer a valuable non-implantable option for managing arrhythmia risk.

Keywords:
ComplianceImplantable defibrillatorSudden cardiac deathVentricular tachyarrhythmiasWearable defibrillator

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