Abstract:Ablation to prevent cardiac arrhythmias requires interpretation of electrograms to locate the arrhythmogenic tissue. This study examined a novel signal processing technique employing deconvolution to calculate electrograms which best fit observed electrograms. We hypothesize that the power of difference between the calculated and the observed electrogram detects changes in morphology resulting from myocardial infarction. 380 electrograms were recorded from 10 dogs. Scintigraphic studies with Thallium-201 ident… Show more
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