Why the study?
Does altering waveform tilt affect defibrillation thresholds in patients undergoing ICD implantation?
Population
23 patients undergoing cardioverter defibrillator implantation
Comparison
Monophasic defibrillation shocks at 35%, 50%… vs Comparison between different waveform tilts
Design
Other
Authors
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Supports flexible tilt selection in ICD implantation; leaves open patient-specific optimization in prospective trials.
Does altering waveform tilt affect defibrillation thresholds in patients undergoing ICD implantation?
Defibrillation thresholds in humans are generally insensitive to altering monophasic waveform tilts between 50% and 80%, though significant inter-patient variability exists.
Shorofsky et al. (1997) studied this question.
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