Browsing by Subject "Electrocardiografia"
Now showing items 1-20 of 78
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A 36 µW 1.1 mm2 reconfigurable analog front-end for cardiovascular and respiratory signals recording
(2018-04-06)
Article
Open AccessThis 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 ... -
A new aproach to electrocardiography : patient specific spatio-temporal ECG
(Universitat Politècnica de Catalunya, 2018-06)
Bachelor thesis
Restricted access - author's decisionEn aquest treball hem desenvolupat un nou sistema de visualització per electrocardiogrames, per tal de millorar els sistemes que s'utilitzaven fins ara. Amb l'objectiu de millorar el diagnòstics mèdics, hem desenvolupat ... -
A novel algorithm for fast BCG cycle extraction in ambulatory scenarios
(2016)
Conference lecture
Restricted access - publisher's policyA 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
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-06-30)
Article
Open AccessA 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 ... -
Advanced Interfaces for the development of music-therapy in people with disabilities
(Universitat Politècnica de Catalunya, 2019-06-25)
Bachelor thesis
Restricted access - author's decision -
Analysis of heart rate variability indices after selective acute atrial ischemia in humans
(Computing in Cardiology, 2018)
Conference lecture
Open AccessThe 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 the cardiovascular response to autonomic nervous system modulation in Brugada syndrome patients
(Universitat Politècnica de Catalunya, 2017-11-10)
Doctoral thesis
Open Access
Covenantee: Université de RennesBrugada syndrome (BS) is a genetic arrhythmogenic disease characterized by a distinctive electrocardiographic pattern, associated with a high risk for sudden cardiac death (SCD) due to ventricular fibrillation (VF) in ... -
Analysis of time delay between bioimpedance and respiratory volume signals under inspiratory loaded breathing
(Institute of Electrical and Electronics Engineers (IEEE), 2019-10-07)
Article
Open AccessBioimpedance 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 ... -
Analysis of time delay between bioimpedance and respiratory volume signals under inspiratory loaded breathing
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Open AccessBioimpedance 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 ... -
Análisis automático de señales de Holter: adquisición, preprocesado y clasificación mediante Machine Learning
(Universitat Politècnica de Catalunya, 2012-09-27)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Análisis de biomarcadores electrocardiográficos en pacientes con Síndrome de Brugada
(Universitat Politècnica de Catalunya, 2021-05-31)
Bachelor thesis
Open AccessEl síndrome de Brugada es una patología cardiaca eléctrica primaria genéticamente determinada. Esta se caracteriza por alteraciones electrocardiográficas distintivas, en donde el paciente puede llegar a presentar muerte ... -
Análisis de la coherencia entre la señal ECG y el flujo respiratorio en sujetos sanos
(Universitat Politècnica de Catalunya, 2020-10-10)
Bachelor thesis
Restricted access - author's decisionL'anàlisi de la coherència entre senyals biomèdics és una eina molt útil en l'àmbit mèdic per entendre la interacció entre els sistemes que representen. Aquest treball se centra en l'anàlisi de coherència entre la ... -
Análisis de la variabilidad de intervalos de tiempo del ECG
(Universitat Politècnica de Catalunya, 2001-11-19)
Doctoral thesis
Open AccessLa prolongación y el aumento de la dispersión del intervalo QT han sido propuestos como factores de riesgo de arritmias ventriculares malignas en varias condiciones clínicas, entre ellas en pacientes con infarto de miocardio ... -
Análisis del ECG en monitorización ambulatoria para el diagnóstico cardíaco y la predicción de muerte cardíaca súbita
(Universitat Politècnica de Catalunya, 2001-01-25)
Doctoral thesis
Open AccessLa muerte cardíaca súbita (SCD) es uno de los desafíos más importantes de la cardiología moderna debido al elevado número de personas que fallecen repentinamente sin presentar síntomas previos. Una de las principales causas ... -
Análisis electrocardiográfico y del ritmo cardíaco durante la competencia de Maratón de Barcelona 2017
(Universitat Politècnica de Catalunya, 2021-05-31)
Bachelor thesis
Open AccessLa variabilitat de l'ritme cardíac es descriu com la variació de temps entre batec i batec i està expressada en mil·lisegons, aquesta és una dada que a més de mesurar la salut cardíaca, mesures la Progressió en l'entrenament. ... -
Aplicació del mètode "Feature Selective Validation" al reconeixement de patrons
(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 ... -
Application by Means of FPGA of Adaptative Canceler 50 Hz Interference in Electrocardiography
(SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2003-10-01)
Article
Open Access -
Application of the entropy of approximation for the nonlinear characterizationin patients with Chagas disease
(2019)
Conference report
Open AccessChagas disease American trypanosomiasis is caused by a flagellated parasite: Trypanosoma cruzi, transmitted by an insect of the genus Triatoma and also by blood transfusions. In Latin America, the number of infected people ... -
Assessment of electrocardiograms with pretraining and shallow networks
(Computing in Cardiology, 2014)
Conference report
Open AccessObjective: 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
(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 ...
