作者: B. Taccardi , R.L. Lux , P.R. Ershler , R.S. MacLeod , C. Zabawa
关键词: Materials science 、 Ventricular pacing 、 Atrial pacing 、 Biomedical engineering 、 Electrocardiography 、 Surface (mathematics) 、 Electrode 、 Surface wave 、 Image resolution 、 Excitation
摘要: The authors recorded potential maps, excitation and recovery time maps from the entire ventricular surface of exposed dog hearts using an epicardial sock with 630 electrodes spaced 4 mm, during atrial pacing or at various intramural depths. Results made it possible to describe complex distributions isochrones. Ventricular produced five areas characterized by different densities isochrone lines, both recovery. Potential revealed times locations up 17 breakthroughs enabled localization a number electrical events that were difficult detect previously used electrode arrays. >