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Characterization of QT interval adaptation to RR interval changes and its use as a a risk-stratifier of arrhythmic mortality in amiodarone-treated survivors of acute myocardial infarction
ArticleAbstract: A new method is proposed to evaluate the dynamics of QT interval adaptation in response to heart ratPalabras claves:Amiodarone, Arrhythmic mortality, Global optimization, QT adaptation, [QT, RR] relationshipAutores:Caminal P., de Luna A.B., Esther Pueyo, Malik M., Pablo Laguna, Smetana P.Fuentes:scopusCharacterization of T Wave Amplitude, Duration and Morphology Changes during Hemodialysis: Relationship with Serum Electrolyte Levels and Heart Rate
ArticleAbstract: Objective: Chronic kidney disease affects more than 10% of the world population. Changes in serum ioPalabras claves:calcium, eCG, Heart rate, hemodialysis, in silico modeling, potassium, T wave morphology, time warping, transmural heterogeneityAutores:Bukhari H.A., Esther Pueyo, Ferreira D., Pablo Laguna, Palmieri F., Potse M., Ramirez J., Ruiz J.E., Sanchez C.Fuentes:scopusA Time-Varying Nonparametric Methodology for Assessing Changes in QT Variability Unrelated to Heart Rate Variability
ArticleAbstract: Objective: To propose and test a novel methodology to measure changes in QT interval variability (QTPalabras claves:Cardiac repolarization, Heart Rate Variability, QT variability, spectral coherence, Time-frequencyAutores:Esther Pueyo, Orini M., Pablo Laguna, Raquel BailónFuentes:scopusDepolarization changes during acute myocardial ischemia by evaluation of QRS slopes: Standard lead and vectorial approach
ArticleAbstract: Diagnosis and risk stratification of patients with acute coronary syndromes can be improved by addinPalabras claves:depolarization, ischemia, percutaneous coronary intervention (PCI), QRS slopesAutores:Esther Pueyo, Pablo Laguna, Pahlm O., Ringborn M., Romero Pérez D.Fuentes:scopusVariability of Ventricular Repolarization Dispersion Quantified by Time-Warping the Morphology of the T-Waves
ArticleAbstract: Objective: We propose two electrocardiogram (ECG)-derived markers of T-wave morphological variabilitPalabras claves:electrocardiogram, morphological variability, Repolarization, T-wave, Time-warpingAutores:Esther Pueyo, Orini M., Pablo Laguna, Ramirez J., Tucker J.D.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:scopusQRS slopes for detection and characterization of myocardial ischemia
ArticleAbstract: In this study, the upward (IUS) and downward (IDS) slopes of the QRS complex are proposed as indicesPalabras claves:depolarization, High Frequency, ischemia, Percutaneous transluminal coronary angioplasty (PTCA), QRS ComplexAutores:Esther Pueyo, Pablo Laguna, Sornmo L.Fuentes:scopusQT variability and HRV interactions in ECG: Quantification and reliability
ArticleAbstract: In this paper, a dynamic linear approach was used over QT and RR series measured by an automatic delPalabras claves:Heart Rate Variability, modelling, QT interval, QT variability, QT-RR interactions, RR intervalAutores:Almeida R., Esther Pueyo, Gouveia S., Martínez J.P., Pablo Laguna, Rocha A.P.Fuentes:scopusQuantification of restitution dispersion from the dynamic changes of the T-wave peak to end, measured at the surface ECG
ArticleAbstract: Action potential duration restitution (APDR) curves present spatial variations due to the electrophyPalabras claves:Rate adaptation, repolarization dispersion, restitution dispersion, T-wave peak to T-wave endAutores:Doblare M., Esther Pueyo, Minchole A., Pablo Laguna, Rodriguez-Matas J.F., Zacur E.Fuentes:scopus