Browsing by Subject "Electrocardiography"
Now showing items 1-20 of 70
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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 ... -
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 -
Advanced Spatial Temporal Regularization for Inverse Electrocardiography (ECG)
(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
(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 ... -
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 ... -
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 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 ... -
Base de datos de señales respiratorias de sujetos sanos
(Universitat Politècnica de Catalunya, 2009-01-12)
Master thesis (pre-Bologna period)
Open AccessActualment 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
(Universitat Politècnica de Catalunya, 2015-07-21)
Bachelor thesis
Open Access
Covenantee: Dalhousie UniversityInverse 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
(IEEE Computer Society Publications, 2011)
Conference report
Restricted access - publisher's policyDespite 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
(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. -
Cardiac interference reduction in diaphragmatic MMG signals during a maintained inspiratory pressure test
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyA 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
(Comunicación MetroBCN SL, 2018-09-07)
Contribution to periodical
Open AccessAquest 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. -
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 ...
