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A Review of External Defibrillation Strategies
Joshua R Lupton1, Aurora Magliocca2, Mohamud R Daya1
1Department of Emergency Medicine, Oregon Health and Science University, Portland, OR, USA.
Abstract:
The most critical intervention for patients suffering cardiac arrest due to ventricular tachyarrhythmias is timely defibrillation. We present a comprehensive review on current external defibrillation strategies, including issues of access to and use of defibrillators, to maximize patient survival after cardiac arrest. Successful defibrillation depends on an electrical shock delivered with sufficient shock strength, vector, and waveform characteristics to a heart with a metabolic state capable of returning to an organized rhythm. Finally, access to and application of automated external defibrillators should remain a significant public health priority to reduce time to initial defibrillation in patients suffering cardiac arrest.
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