Why the study?
Does a biphasic waveform alter the post-shock recovery interval and defibrillation threshold compared to a monophasic waveform in a canine model?
Does a biphasic waveform alter the post-shock recovery interval and defibrillation threshold compared to a monophasic waveform in a canine model?
The difference in defibrillation efficacy between monophasic and biphasic waveforms is dependent on the refractory period remaining in the non-depolarized region immediately after the shock.
These canine findings link post-shock recovery to waveform response; leaves open whether refractory dynamics can guide clinical defibrillation.
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KANESE et al. (1997) studied this question.
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