Design of a real-time ventricular fibrillation waveform analysis system for improved low energy DC defibrillation shock delivery

Peng Wie Hsia, Dennis Mendoza, Suresh Gurunathan, Sandeep Naik, Ralph Damiano

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Our earlier experiments have shown a relation between ventricular fibrillation (VF) voltage and defibrillation success. We proposed that a period of high absolute ventricular fibrillation voltage (AVFV) may be more susceptible to defibrillation. For the prospective study necessary to test this hypothesis, a PC based real-time system that analyzes VF waveform and synchronizes a defibrillation shock based on the VF analysis was developed. The new system has been used in three defibrillation protocols. We demonstrated effective detection of high AVFV periods (p<0.003) and an increase in defibrillation success ranging from 15-24% (p<0.04) with various lead configurations. As such, this system has been useful in increasing defibrillation success through improved delivery of low energy defibrillation shocks based on real-time VF waveform analysis.

Original languageEnglish
Pages (from-to)349-352
Number of pages4
JournalComputers in Cardiology
Volume0
Issue number0
StatePublished - Dec 1 1996
Externally publishedYes

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