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Changes in Cardiac Indices from Implanted Defibrillator-Stored Electrograms Due to Acquisition and Preprocessing Conditions

dc.contributor.authorRequena Carrión, J
dc.contributor.authorRojo-Álvarez, José Luis
dc.contributor.authorEverss, E
dc.contributor.authorAlonso Atienza, Felipe
dc.contributor.authorSánchez Muñoz, JJ
dc.contributor.authorOrtiz, M
dc.contributor.authorGarcía Alberola, A
dc.description.abstractA wide number of cardiac indices have been proposed to describe electrocardiograms (ECG) during ventricular Fibrillation (VF), and they can be useful when analyzing electrograms (EGM) stored in Implantable Cardioverter Defibrillator (ICD) during spontaneous VF. However, the dependence of their measurement on acquisition and preprocessing conditions has not been so far statistically quantified. We propose a systematic procedure based on nonparametric bootstrap resampling methods to obtain standard errors and confidence intervals for a test. This test detects changes in the statistical distribution of cardiac indices from ICD-stored EGM during VF, due to discrepancies in acquisition and preprocessing conditions. As an application example, significant changes in the distributions of selected spectral indices due to lead configuration were found by comparing measurements obtained from simultaneo usly recorded unipolar and bipolar EGM during VF. Our nonparametric bootstrap approach can be readily applied to the measurement of cardiac indices, allowing us to study their changes under a diversity of conditions in a systematic
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.titleChanges in Cardiac Indices from Implanted Defibrillator-Stored Electrograms Due to Acquisition and Preprocessing Conditionses
dc.subject.unesco3325 Tecnología de las Telecomunicacioneses
dc.subject.unesco3205.01 Cardiologíaes
dc.description.departamentoTeoría de la Señal y Comunicaciones

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Atribución-NoComercial-SinDerivadas 3.0 EspañaExcept where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España