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Characterization of repolarization alternans during ischemia: Time-course and spatial analysis
ArticleAbstract: T-wave alternans (TWA) has been linked to increased vulnerability to ventricular fibrillation in difPalabras claves:Alternans, Angioplasty, Electrocardiography, ischemia, RepolarizationAutores:Martínez J.P., Olmos S., Pablo Laguna, Wagner G.S.Fuentes:scopusA Multi-Variate Pbkp_redictability Framework to Assess Invasive Cardiac Activity and Interactions during Atrial Fibrillation
ArticleAbstract: Objective: This study introduces a pbkp_redictability framework based on the concept of Granger causPalabras claves:Atrial fibrillation (AF), bipolar electrograms (EGMs), Granger causality (GC), multi-variate autoregressive (MVAR) modeling, multielectrode cathetersAutores:Alcaine A., Cristoforetti A., Faes L., Martínez J.P., Masè M., Nollo G., Pablo Laguna, Ravelli F.Fuentes:scopusA Wavelet-Based ECG Delineator Evaluation on Standard Databases
ArticleAbstract: In this paper, we developed and evaluated a robust single-lead electrocardiogram (ECG) delineation sPalabras claves:ECG wave delineation, P wave, QRS detection, T wave, waveletsAutores:Almeida R., Martínez J.P., Olmos S., Pablo Laguna, Rocha A.P.Fuentes:scopusA wavelet-based electrogram onset delineator for automatic ventricular activation mapping
ArticleAbstract: Electroanatomical mapping (EAM) systems are commonly used in clinical practice for guiding catheterPalabras claves:Activation mapping, bipolar electrogram, catheter ablation, electrophysiology, focal ventricular tachycardia, local activation time, signal envelope, Wavelet AnalysisAutores:Alcaine A., Andreu D., Berruezo A., Calvo M., Camara O., Fernandez-Armenta J., Guiu E., Martínez J.P., Pablo Laguna, Soto-Iglesias D.Fuentes:scopusMultilead analysis of T-wave alternans in the ecg using principal component analysis
ArticleAbstract: T-wave alternans (TWA) is a cardiac phenomenon associated with the mechanisms leading to sudden cardPalabras claves:eCG, Multilead analysis, principal component analysis (PCA), T-wave alternans (TWA)Autores:Martínez J.P., Monasterio V., Pablo LagunaFuentes:scopusHeart rate turbulence analysis based on photoplethysmography
ArticleAbstract: The goal of this paper is to determine whether the photoplethysmography (PPG) can replace the ECG-baPalabras claves:Heart rate turbulence (HRT), hemodialysis, photoplethysmography (PPG), pulse rate turbulence (PRT), pulse transit time (PTT), ventricular premature beat (VPB)Autores:Barquero-Perez O., GarcÍa-Alberola A., Gil E., Martínez J.P., Pablo Laguna, Sornmo L.Fuentes:scopusOn the influence of heart rate and coupling interval prematurity on heart rate turbulence
ArticleAbstract: Objective: Heart rate turbulence (HRT) has been successfully explored for cardiac risk stratificatioPalabras claves:Coupling interval, electrophysiological study, Heart rate, Heart rate turbulence, myocardial infarctionAutores:Barquero-Perez O., Figuera-Pozuelo C., GarcÍa-Alberola A., Gil E., Gimeno-Blanes F.J., Goya-Esteban R., Jose Luis Rojo-Álvarez, Martínez J.P., Mora-Jimnez I., Pablo Laguna, Sornmo L.Fuentes:scopusModel-Based Detection of Heart Rate Turbulence Using Mean Shape Information
ArticleAbstract: A generalized likelihood ratio test (GLRT) statistic is proposed for detection of heart rate turbulePalabras claves:eCG, Generalized likelihood ratio test (GLRT), Heart rate turbulence (HRT), Integral pulse frequency modulation (IPFM) model, Karhunen-Loève basis functionsAutores:Martínez J.P., Pablo Laguna, Smith D., Solem K., Sornmo L.Fuentes:scopusModel-based detection of heart rate turbulence
ArticleAbstract: In this study, the integral pulse frequency modulation model is extended to account for the presencePalabras claves:eCG, Generalized likelihood ratio test (GLRT), Heart rate turbulence (HRT), Integral pulse frequency modulation (IPFM) model, Karhunen-Loève (KL) basis functionsAutores:Martínez J.P., Pablo Laguna, Solem K., Sornmo L.Fuentes:scopusWeighted Time Warping Improves T-Wave Morphology Markers Clinical Significance
ArticleAbstract: Background: T-wave (TW) morphology indices based on time-warping (dw) have shown significant cardiovPalabras claves:blood potassium concentration, electrocardiogram, sudden cardiac death, T-wave morphology, T-wave time warping analysis, weighting functionsAutores:Esther Pueyo, Ferreira D., Gomis P., Martínez J.P., Pablo Laguna, Palmieri F., Ramirez J.Fuentes:scopus