Three-dimensional Dominant Frequency Mapping Using Autoregressive Spectral Analysis of Atrial Electrograms of Patients in Persistent Atrial Fibrillation

(整期优先)网络出版时间:2016-02-12
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Areaswithhighfrequencyactivitywithintheatriumarethoughttobe'drivers'oftherhythminpatientswithatrialfibrillation(AF)andablationoftheseareasseemstobeaneffectivetherapyine-liminatingDFgradientandrestoringsinusrhythm.ClinicalgroupshaveappliedthetraditionalFFT-basedapproachtogeneratethethree-dimensionaldominantfrequency(3DDF)mapsduringelectro-physiology(EP)proceduresbutliteratureisrestrictedonusingalternativespectralestimationtech-niquesthatcanhaveabetterfrequencyresolutionthatFFT-basedspectralestimation.