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	Provedor de dados BJMBR (2) Autor Barbosa,E.C. (2) Benchimol-Barbosa,P.R. (2) Bomfim,A.S. (1) Ginefra,P. (1) Kantharia,B.K. (1) Nadal,J. (1) Tura,B.R. (1) Mais... Palavra-chave Cardiac death (1) Chagas heart disease (1) Digital filtering (1) Health technology assessment (1) High resolution electrocardiogram (1) Noninvasive electrocardiography (1) Prognostic score (1) Ventricular tachycardia (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2013 (1) 2002 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Clinical assessment of the effect of digital filtering on the detection of ventricular late potentials BJMBR Benchimol-Barbosa,P.R.; Barbosa,E.C.; Bomfim,A.S.; Ginefra,P.; Nadal,J.. Ventricular late potentials are low-amplitude signals originating from damaged myocardium and detected on the body surface by ECG filtering and averaging. Digital filters present in commercial equipment may interfere with the ability of arrhythmia stratification. We compared 40-Hz BiSpec (BI) and classical 40- to 250-Hz band-pass Butterworth bidirectional (BD) filters in terms of impact on time domain variables and diagnostic properties. In a transverse retrospective age-adjusted case-control study, 221 subjects with sinus rhythm without bundle branch block were divided into three groups after signal-averaged ECG acquisition: GI (N = 40), clinically normal controls, GII (N = 158), subjects with coronary heart disease without sustained monomorphic... Tipo: Info:eu-repo/semantics/article Palavras-chave: High resolution electrocardiogram; Digital filtering; Health technology assessment. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002001100005 Utility of a novel risk score for prediction of ventricular tachycardia and cardiac death in chronic Chagas disease - the SEARCH-RIO study BJMBR Benchimol-Barbosa,P.R.; Tura,B.R.; Barbosa,E.C.; Kantharia,B.K.. The SEARCH-RIO study prospectively investigated electrocardiogram (ECG)-derived variables in chronic Chagas disease (CCD) as predictors of cardiac death and new onset ventricular tachycardia (VT). Cardiac arrhythmia is a major cause of death in CCD, and electrical markers may play a significant role in risk stratification. One hundred clinically stable outpatients with CCD were enrolled in this study. They initially underwent a 12-lead resting ECG, signal-averaged ECG, and 24-h ambulatory ECG. Abnormal Q-waves, filtered QRS duration, intraventricular electrical transients (IVET), 24-h standard deviation of normal RR intervals (SDNN), and VT were assessed. Echocardiograms assessed left ventricular ejection fraction. Predictors of cardiac death and new onset... Tipo: Info:eu-repo/semantics/article Palavras-chave: Chagas heart disease; Noninvasive electrocardiography; Prognostic score; Cardiac death; Ventricular tachycardia. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013001100974 Registros recuperados: 2 Primeira ... 1 ... Última

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