Browsing by Subject "Electrocardiography"

Now showing items 21-40 of 124

    • Assessment of electrocardiograms with pretraining and shallow networks 

      Ribas Ripoll, Vicent; Wojdel, Anna; Ramos, Pablo; Romero Merino, Enrique; Brugada Terradellas, Josep (Computing in Cardiology, 2014)
      Conference report
      Open Access
      Objective: Clinical Decision Support Systems normally resort to annotated signals for the automatic assessment of ECG signals. In this paper we put forward a new method for the assessment of normal/abnormal heart function ...

    • Assessment of the non-linear response of the fSampEn on simulated EMG signals 

      Jané Campos, Raimon; Torres Cebrián, Abel; Lozano García, Manuel; Estrada Petrocelli, Luis Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Fixed sample entropy (fSampEn) is a promising technique for the analysis of respiratory electromyographic (EMG) signals. Its use has shown outperformance of amplitude-based estimators such as the root mean square (RMS) in ...

    • Avaluació de biomarcadors electrocardiogràfics en pacients amb miocardia arritmogènica en les derivacions estàndard 

      Martín Llobregat, Anna (Universitat Politècnica de Catalunya, 2023-07-10)
      Bachelor thesis
      Open Access
      La Cardiopatia Arritmogènica del Ventricle Esquerra (AVLC) és una patologia del múscul cardíac que afecta principalment a la funció del ventricle esquerra. És força confosa per altres malalties, fet que dificulta per una ...

    • Banda inalàmbrica que mesura l'ectrecardiograma i la respiració 

      Muñoz Gayet, Joan (Universitat Politècnica de Catalunya, 2013-12-10)
      Bachelor thesis
      Open Access
      [ANGLÈS] The objective of this project is to create a device able to monitor at the same time the respiration and the electrocardiography (ECG) of a patient in ambulatory situations. From these signals, several data can ...

    • Base de datos de señales respiratorias de sujetos sanos 

      Montilla García, David (Universitat Politècnica de Catalunya, 2009-01-12)
      Master thesis (pre-Bologna period)
      Open Access
      Actualment l'estudi de la respiració en subjectes sans per a la determinació d'un patró respiratori es un tema poc estudiat i la publicació d'informació es escassa. En aquest projecte final de carrera s'ha realitzat un ...

    • Bioelectrical Signal Processing in Cardiology: inverse solution mapping on epicardial and endocardial potentials 

      Ratés i Borràs, Àngels (Universitat Politècnica de Catalunya, 2015-07-21)
      Bachelor thesis
      Open Access
      Covenantee:   Dalhousie University
      Inverse electrocardiography is aimed at reconstructing the heart electrical activity and its corresponding spread throughout the heart from non-invasive body surface measurements obtained through the Electrocardiogram (ECG) ...

    • Calcium alternans produced by increased sarcoplasmic reticulum refractoriness 

      Rodríguez Cantalapiedra, Inma; Lugo, Carlos; Peñaranda Ayllón, Angelina; Echebarría Domínguez, Blas (IEEE Computer Society Publications, 2011)
      Conference report
      Restricted access - publisher's policy
      Despite the important role of electro-mechanical alternans in cardiac arrhythmogenesis, its molecular origin is not well understood. In this paper we want to study alternans that can be associated with alternations in ...

    • Caracterización de la señal respiratoria a partir del electrocardiograma en sujetos sanos 

      Jang, Junho (Universitat Politècnica de Catalunya, 2019-10-22)
      Bachelor thesis
      Open Access
      Uno de los aspectos fundamentales en la práctica clínica es el estudio y análisis de los sistemas cardíaco y respiratorio. El estudio de las señales eléctricas derivadas del sistema cardíaco, a través del funcionamiento ...

    • Cardiac interference reduction in diaphragmatic MMG signals during a maintained inspiratory pressure test 

      Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      A recursive least square (RLS) adaptive filtering algorithm for reduction of cardiac interference in diaphragmatic mecanomyographic (MMGdi) signals is addressed in this paper. MMGdi signals were acquired with a capacitive ...

    • Cardiotracker o com fer-se a casa un electrocardiograma 

      Comunicació Campus Baix Llobregat (Comunicación MetroBCN, 2018-09-07)
      Contribution to periodical
      Open Access
      Aquest projecte, impulsat per l'Escola d'Enginyeria de Telecomunicació i Aeronàutica de Castelldels (EETAC) de la UPC, proposa obtenir indicadors cardiovasculars de forma còmoda i adaptada a la vida quotidiana.

    • Cardiovascular coupling-based classification of ischemic and dilated cardiomyopathy patients 

      Rodríguez Benítez, Javier; Schulz, Steffen; Voss, Andreas; Giraldo Giraldo, Beatriz (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Open Access
      Cardiovascular diseases are one of the most common causes of death in elderly patients. The etiology of cardiomyopathies is difficult to discern clinically. The objective of this study was to classify cardiomyopathy patients ...

    • Characterization and classification of patients with different levels of cardiac death risk by using Poincaré plot analysis 

      Rodríguez Benítez, Javier; Voss, Andreas; Caminal Magrans, Pere; Bayés Genis, Antoni; Giraldo Giraldo, Beatriz (2017)
      Conference lecture
      Open Access
      Cardiac death risk is still a big problem by an important part of the population, especially in elderly patients. In this study, we propose to characterize and analyze the cardiovascular and cardiorespiratory systems using ...

    • Characterization and Handling of Disturbances within Electrocardiographic Recordings of Different Origin 

      Ribas Mercau, Nicolás Agustín (Universitat Politècnica de Catalunya / Technische Universität Dresden. Fakultät Elektrotechnik und Informationstechnik, 2014-03-31)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Technische Universität Dresden
      [ANGLÈS] A study of a method for automatic assessment of the quality of electrocardiogram (ECG) signals has been motivated by emerging applications such as the recording of the signals and transmission to mobile phones in ...

    • Clasificación supervisada de pacientes con síndrome de Brugada con biomarcadores derivados del ECG 

      Isabel Roquero, Alba; Gomis Román, Pedro; Leva, Álvaro; Tortosa, Luis; Palmieri, Flavio; Arbelo Lainez, Elena (Sociedad Española de Ingeniería Biomédica (SEIB), 2023)
      Conference report
      Open Access
      El síndrome de Brugada (SB) es una rara canalopatía cardiovascular hereditaria asociada con el riesgo de fibrilación ventricular y muerte súbita (MS). Su estratificación de riesgo es un desafío y la mayoría de los pacientes ...

    • Comparación de correctores automáticos de artefactos en series RR 

      Benítez Herrera, Adolfo (Universitat Politècnica de Catalunya, 2013-02-08)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] This End of Degree Project (EDP) analyzes three commercial software which correct Hear Rate Variability (HRV) RR time series. The analysis was performed by entering the RR time series in each program with an ...

    • Correspondence on “Electrocardiographic findings and prognostic values in patients hospitalised with COVID-19 in the World Heart Federation Global Study” by Pinto-Filho et al 

      Marateb, Hamid Reza; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel (2023-02-14)
      Article
      Open Access
      The manuscript by Martins Pinto-Filho et al., a multicentre study on the prognostic value of electrocardiographic findings, was evaluated. However, certain critical issues were highlighted. First, the authors didn't verify ...

    • Desarrollo de un prototipo portátil de electrocardiograma 

      Egea Jiménez, Miquel (Universitat Politècnica de Catalunya, 2019-07-10)
      Bachelor thesis
      Open Access
      The initial main purpose in this project was to design a portable prototype capable of monitor the electrocardiogram of a human person using three electrodes. This prototype would include the ADS1292R chip and its conditioning ...

    • Desarrollo y evaluación de diferentes métodos de detección de apnea a partir de la señal electrocardiográfica (ECG) 

      Manzanera Navarro, Vladimir (Universitat Politècnica de Catalunya, 2009-06-30)
      Master thesis (pre-Bologna period)
      Open Access
      El desarrollo y la mejora de distintos métodos de detección del síndrome de la apnea obstructiva del sueño (SAOS) a partir de únicamente la señal electrocardiográfica (ECG) es la base del proyecto realizado. Hasta ahora ...

    • Design and implementation of a wireless system for ECG acquisition 

      Gómez Clapers, Joan (Universitat Politècnica de Catalunya, 2010-02-19)
      Master thesis
      Restricted access - author's decision

    • Detecció del senyal respiratori a partir de l'ECG en subjectes sans 

      Puig Arxer, Roger (Universitat Politècnica de Catalunya, 2018-06-26)
      Bachelor thesis
      Open Access
      El senyal electrocardiogràfic (ECG) registra l’activitat elèctrica del cor. Aquest senyal està influenciat per la respiració. Aquesta influència es manifesta en l’ECG en forma de modulació, que pot ser en amplitud, en ...