Key result
Success at conversion of ventricular fibrillation depends on the delay before delivering the shock and defibrillation efficiency, which is a function of thoracic impedance, energy dose, and waveform.
Early external electrical defibrillation is effective for shockable rhythms in pediatric cardiac arrest, with success depending on shock delay and defibrillation efficiency factors.
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Minimizing defibrillation delay may aid pediatric VF conversion; leaves open optimal pediatric energy dosing and waveforms.
Cardiac arrest in children is not often due to a disturbance in rhythm that is amenable to electrical defibrillation, contrary to the situation in adults. When a shockable rhythm is present, defibrillation using an external electric shock applied at an early stage after pre-oxygenation and chest compressions is of proven efficacy. Success at conversion of ventricular fibrillation is dependent on the delay before delivering the shock and defibrillation efficiency, which is itself a function of thoracic impedance, energy dose and waveform.
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Jones et al. (2007) conducted a review in Cardiac arrest and ventricular fibrillation. Defibrillation was evaluated. Success at conversion of ventricular fibrillation depends on the delay before delivering the shock and defibrillation efficiency, which is a function of thoracic impedance, energy dose, and waveform.
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