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Updated: Aug 9, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
The automatic implantable cardioverter-defibrillator: management issues relevant to the emergency care provider
1Department of Emergency Medicine, Maine Medical Center, Portland 04102.
Insights
The automatic implantable cardioverter-defibrillator (AICD) requires careful management in emergency settings. Deactivating the AICD generator is crucial in specific situations to prevent patient harm from appropriate or inappropriate shocks.
Area of Science:
- Cardiology
- Medical Devices
- Emergency Medicine
Background:
- Increasing use of automatic implantable cardioverter-defibrillators (AICDs) in patients with refractory malignant arrhythmias.
- Patients with AICDs frequently present to emergency departments with device-related issues.
- Both appropriate and inappropriate AICD shocks can lead to adverse patient outcomes.
Observation:
- The need for AICD generator deactivation in specific clinical scenarios.
- Importance of a controlled medical environment for AICD management.
- Emergent management considerations for AICD patients.
Findings:
- AICD deactivation is indicated in certain conditions to ensure patient safety.
- Proper medical environment is essential for safe AICD generator deactivation.
- This report addresses critical emergent management issues for AICDs.
Implications:
- Highlights the importance of understanding AICD function and management in emergencies.
- Provides guidance for healthcare professionals dealing with AICD-related emergencies.
- Emphasizes patient safety when managing patients with AICDs.
Abstract:
The automatic implantable cardioverter-defibrillator (AICD) is being used more frequently in patients with recurrent malignant arrhythmias refractive to sophisticated antiarrhythmic drug therapy. Such patients often present to emergency facilities with cardiac and/or device related complaints. Both "appropriate" and "inappropriate" AICD pulsing can result in patient adversity. For this reason AICD generator deactivation is indicated in certain clinical conditions once a controlled and properly equipped medical environment is assured. This report discusses a number of relevant emergent management issues concerning this beneficial device.
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