Browsing by Subject "Electrocardiografia"
Now showing items 1-20 of 40
-
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 -
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 ... -
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 ... -
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 -
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 ... -
Characterization and classification of patients with different levels of cardiac death risk by using Poincaré plot analysis
(2017)
Conference lecture
Open AccessCardiac 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
(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 ... -
Desarrollo y evaluación de diferentes métodos de detección de apnea a partir de la señal electrocardiográfica (ECG)
(Universitat Politècnica de Catalunya, 2009-06-30)
Master thesis (pre-Bologna period)
Open AccessEl 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
(Universitat Politècnica de Catalunya, 2010-02-19)
Master thesis
Restricted access - author's decision -
Direct pulse transit time measurement from an electronic weighing scale
(2016)
Conference report
Restricted access - publisher's policyA novel method to measure Pulse Transit Time (PTT) from the force sensors of a modified electronic weighing scale is presented. The method relies on the relation between PTT and the interval between I and J waves of the ... -
Diseño, desarrollo y test de un prototipo de pulsera para adquirir el electrocardiograma y la onda de pulso
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Open AccessThe project is focused on the design of a wristband and the associated signal conditioning circuitry that enables to measure simultaneously the pulse arrival and the QRS complexes of the user. The prototype consists of a ... -
Disseny i realització d'un sistema modular per a l'adquisició, visualització i processament digital d'un senyal ECG amb finalitats docents
(Universitat Politècnica de Catalunya, 2015-09)
Master thesis (pre-Bologna period)
Open AccessAquest projecte tracta del disseny i realització de diferents circuits pràctics amb una finalitat pedagògica, que il·lustrin alguns dels conceptes més rellevants per a l’adquisició de biopotencials. Degut a la gran ... -
ECG assessment based on neural networks with pretraining
(2016-12-01)
Article
Restricted access - publisher's policyIn this paper, we present a new automatic screening method to assess whether a patient from ambulatory care or emergency should be referred to a cardiology service. This method is based on deep neural networks with pretraining ... -
ECG derived respiratory signal applied to elderly patients
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Restricted access - author's decisionThe electrocardiographic signal (ECG), is an electrophysiological signal that contains information essentially related to the cardiac activity, but it is also modulated by the respiratory activity. Therefore, one of the ... -
Electrocardiògraf amb oximetria per bluetooth low energy
(Universitat Politècnica de Catalunya, 2013-07)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Lately there are new wireless communications devices, able to transmit data securely and practice. This project takes advantage of these technologies to design a system for biosignal acquisition and transmission. ... -
Estudi de diferents paràmetres característics del senyal electrocardiogràfic (ECG) per analitzar les seves variacions durant la realització de l'exercici físic
(Universitat Politècnica de Catalunya, 2016-06-23)
Bachelor thesis
Restricted access - confidentiality agreement
