Browsing by Subject "Electrocardiografia"
Now showing items 1-20 of 62
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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 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 ... -
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 ... -
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 -
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 ... -
Caracterización de la señal respiratoria a partir del electrocardiograma en sujetos sanos
(Universitat Politècnica de Catalunya, 2019-10-22)
Bachelor thesis
Open AccessAplicar 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. -
Cardiovascular coupling-based classification of ischemic and dilated cardiomyopathy patients
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Open AccessCardiovascular 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
(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 de un prototipo portátil de electrocardiograma
(Universitat Politècnica de Catalunya, 2019-07-10)
Bachelor thesis
Open AccessThe 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)
(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 ...
