Browsing by Subject "Electrocardiography"

Now showing items 1-20 of 63

  • A 36 µW 1.1 mm2 reconfigurable analog front-end for cardiovascular and respiratory signals recording 

    Xu, Jiawei; Konijnenburg, Mario; Ha, Hyunsoo; van Wegberg, Roland; Song, Shuang; Blanco Almazán, María Dolores; Van Hoof, Chris; Van Helleputte, Nick (2018-04-06)
    Article
    Open Access
    This paper presents a 1.2 V 36 µW reconfigurable analog front-end (R-AFE) as a general-purpose low-cost IC for multiple-mode biomedical signals acquisition. The R-AFE efficiently reuses a reconfigurable preamplifier, a ...

  • Advanced Interfaces for the development of music-therapy in people with disabilities 

    Valenzuela Ramírez, Andrea (Universitat Politècnica de Catalunya, 2019-06-25)
    Bachelor thesis
    Restricted access - author's decision

  • Advanced Spatial Temporal Regularization for Inverse Electrocardiography (ECG) 

    González Navarro, Paula (Universitat Politècnica de Catalunya, 2014-07-23)
    Bachelor thesis
    Open Access
    Covenantee:  Northeastern University
    [ANGLÈS] Heart diseases are the first cause of Mortality in the world. The percentage of the deceased who dies because of a cardiac infarction rises every year. Therefore, an early identification of typical signs may be ...

  • Análisis automático de señales de Holter: adquisición, preprocesado y clasificación mediante Machine Learning 

    Cordero Rama, Jose Alejandro (Universitat Politècnica de Catalunya, 2012-09-27)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement

  • Analysis of heart rate variability indices after selective acute atrial ischemia in humans 

    Gomis Román, Pedro; Álvarez García, Jesus; Caminal Magrans, Pere; Cinca, Juan (Computing in Cardiology, 2018)
    Conference lecture
    Open Access
    The purpose of this work is to analyze the effect of selective atrial coronary artery occlusion on heart rate variability (HRV). Twelve-hour, Holter recording were studied in 109 patients undergoing elective percutaneous ...

  • Analysis of time delay between bioimpedance and respiratory volume signals under inspiratory loaded breathing 

    Blanco Almazán, María Dolores; Groenendaal, Willemijn; Catthoor, Francky; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2019-10-07)
    Article
    Open Access
    Bioimpedance is known for its linear relation with volume during normal breathing. For that reason, bioimpedance can be used as a noninvasive and comfortable technique for measuring respiration. The goal of this study is ...

  • A novel algorithm for fast BCG cycle extraction in ambulatory scenarios 

    Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs Areny, Ramon (2016)
    Conference lecture
    Restricted access - publisher's policy
    A novel algorithm JDet for ballistocardiogram (BCG) cycle extraction is presented that is intended for the fast generation of ensemble averages in ambulatory scenarios where the ECG signal is not available. First, the ...

  • A novel robust index to assess beat-to-beat variability in heart rate time-series analysis 

    García González, Miguel Ángel; Pallàs Areny, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-06-30)
    Article
    Open Access
    A new index is proposed to estimate the variance of the differentiated heart rate (RR) time series from its truncated histogram. The index is more robust to artifacts than the standard deviation of the differentiated RR ...

  • Aplicació del mètode "Feature Selective Validation" al reconeixement de patrons 

    Ventosa Llopart, Josep Oriol (Universitat Politècnica de Catalunya, 2013-05-23)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Pattern recognition is a discipline with a long history. Despite this, some weaknesses can be found in existing methods. To get an idea of which can be these weaknesses, a brief introduction to pattern recognition ...

  • 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 ...

  • 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
    Aplicar técnicas de procesado de señales para extraer información de la señal ECG relacionada con el comportamiento del sistema respiratorio, aplicado a una base de datos de sujetos sanos.

  • 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 ...

  • 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 ...

  • 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 ...

  • 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 ...