Browsing by Subject "Electrònica mèdica"

Now showing items 1-20 of 89

    • A magnetic induction measurement system for adult vital sign monitoring: evaluation of capacitive and inductive effects 

      Mahdavi, Hadiseh; Rosell Ferrer, Francisco Javier (IOPScience, 2013)
      Conference report
      Open Access
      Magnetic induction (MI) measurement technique could provide an unobtrusive contactless method for continuous monitoring of vital signs such as breathing and cardiac activity in bed. In this paper, we present a magnetic ...

    • A methodology to quantify the differences between alternative methods of heart rate variability measurement 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Guede Fernández, Federico; Ferrer Mileo, Víctor; Argelagós Palou, Ariadna; Álvarez Gómez, Laura; Parrado Romero, Eva; Moreno Sánchez, Jordi; Capdevila, Lluis; Ramos Castro, Juan José (Institute of Physics (IOP), 2015-12-14)
      Article
      Open Access
      This work proposes a systematic procedure to report the differences between heart rate variability time series obtained from alternative measurements reporting the spread and mean of the differences as well as the agreement ...

    • A novel artifact reconstruction method applied to blood pressure signals 

      Rodríguez Benítez, Javier; Giraldo Giraldo, Beatriz (2018)
      Conference report
      Open Access

    • A Novel Assist-as-Needed Controller for Locomotion Training in the fMRI 

      Gómez-Lor López, Isaac (Universitat Politècnica de Catalunya / Eidegenössische Technische Hochschule Zürich, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      In this thesis it is explained the work done in order to develop a patient-cooperative control that assists only as it is needed for the MR-compatible stepper (MARCOS) developed at the Sensory Motor System Lab of ETH Zürich. ...

    • A real-time and convex model for the estimation of muscle force from surface electromyographic signals in the upper and lower limbs 

      Shirzadi, Mehdi; Marateb, Hamid Reza; Rojas Martínez, Mónica Marlene; Mansourian Gharakozlou, Marjan; Botter, Alberto; dos Anjos, Fabio Vieira; Vieira, Taian Martins; Mañanas Villanueva, Miguel Ángel (Frontiers Media SA, 2023-02)
      Article
      Open Access
      Low-volume lung injury encompasses local concentration of stresses in the vicinity of collapsed regions in heterogeneously ventilated lungs. We aimed to study the effects on ventilation and perfusion distributions of a ...

    • Acute sleep deprivation induces a local brain transfer information increase in the frontal cortex in a widespread decrease context 

      Alonso López, Joan Francesc; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; Alcalá Álvarez, Marta; Antonijoan, Rosa Maria; Giménez Badia, Sandra (2016-04-01)
      Article
      Open Access
      Sleep deprivation (SD) has adverse effects on mental and physical health, affecting the cognitive abilities and emotional states. Specifically, cognitive functions and alertness are known to decrease after SD. The aim of ...

    • AD5933-based system for transthoracic impedance measurements 

      Serres Altés, Víctor (Universitat Politècnica de Catalunya / University of Borås, 2012-08-31)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Blekinge Institute of Technology / Högskolan i Borås
      [ANGLÈS] Electrical Bioimpedance (EBI) through transthoracic measurements offers a non-invasive manner to measure hemodynamic values. In the last decades, advances in the field of electrodes, electronic hardware and the ...

    • Agreement between two photoplethysmography-based wearable devices for monitoring heart rate during different physical activity situations: a new analysis methodology 

      Alfonso, Carla; García González, Miguel Ángel; Parrado, Eva; Gil Rojas, Jessyca; Ramos Castro, Juan José; Capdevila, Lluis (Nature, 2022-09-14)
      Article
      Open Access
      Wearables are being increasingly used to monitor heart rate (HR). However, their usefulness for analyzing continuous HR in research or at clinical level is questionable. The aim of this study is to analyze the level of ...

    • Algorithms for B wave detection 

      Ramon Maldonado, Eduard (Universitat Politècnica de Catalunya, 2013-04-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Rheinisch-Westfälische Technische Hochschule Aachen
      [ANGLÈS] The objective of this Master Thesis was to develop algorithms for B waves detection in ICP. This goal was approached by two different methods that depend basically in the resolution of the acquired ICP. Then, both ...

    • Analysis of a cardiovascular model for the study of the autonomic response of Brugada syndrome patients 

      Calvo González, Mireia; Le Rolle, Virginie; Romero Pérez, Daniel; Béhar, Nathalie; Gomis Román, Pedro; Mabo, Philippe; Hernández, Alfredo I. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper describes the integration of mathematical models of the cardiac electrical activity, the cardiovascular system and the baroreceptor reflex control of the autonomic nervous system, with a model representing a ...

    • Analysis of cardiorespiratory interaction in patients submitted to the T-tube test in the weaning process implementing symbolic dynamics and neural networks 

      Arizmendi Pereira, Carlos Julio; Solano, E.H.; Gonzalez, H.; González Acuña, Hernan; Giraldo Giraldo, Beatriz (2018)
      Conference report
      Restricted access - publisher's policy
      The determination of the optimal time of the patients in weaning trial process from Mechanical Ventilation (MV), between patients capable of maintaining spontaneous breathing and patients that fail to maintain spontaneous ...

    • Analysis of ECG in athletes running in mountain route conditions 

      Gomis Román, Pedro; Guasch, Eduard; Perera Lluna, Alexandre; Mont Girbau, Lluis; Caminal, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      The purpose of this work is to analyse changes in ECG and heart rate variability (HRV) metrics in athletes during 10 km running in mountain route conditions. Eighteen healthy athletes carrying a 12-lead ECG GE Holter ...

    • Analysis of the cardiorespiratory pattern of patients undergoing weaning using artificial intelligence 

      Pinto, Jorge; Gonzalez Acevedo, Hernando; Arizmendi Pereira, Carlos Julio; González Acuña, Hernan; Muñoz Maldonado, Yecid Alfonso; Giraldo Giraldo, Beatriz (2023-03-01)
      Article
      Open Access
      The optimal extubating moment is still a challenge in clinical practice. Respiratory pattern variability analysis in patients assisted through mechanical ventilation to identify this optimal moment could contribute to this ...

    • Análisis de biomarcadores electrocardiográficos en pacientes con cardiopatía arritmogénica de ventrículo izquierdo 

      Bragulat Arévalo, Mireia; Gomis Román, Pedro; Arbelo Lainez, Elena; Jordá Burgos, Paloma; Palmieri, Flavio (2022)
      Conference lecture
      Open Access

    • Application for medical devices and data management 

      Mir Hurtado, Arnau (Universitat Politècnica de Catalunya, 2023-02-15)
      Bachelor thesis
      Open Access
      Covenantee:   Tampereen ammattikorkeakoulu
      The purpose of the project is to create an application in Flutter, together with a complete backend ecosystem based on NodeJS and MongoDB that allows the users to connect their medical devices, take measurements, store and ...

    • Assessment of responsiveness levels during sedation-analgesia by entropy analysis of EEG 

      Valencia, Jose Fernando; Melia, Umberto; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Jensen, Erik Weber; Porta, Alberto; Gambus, Pedro L.; Caminal Magrans, Pere (2016-03-18)
      Article
      Open Access
      The level of sedation in patients undergoing medical procedures is decided to assure unconsciousness and prevent pain. The monitors of depth of anesthesia, based on the analysis of the electroencephalogram (EEG), have been ...

    • 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 ...

    • Beta-blocker treatment of patients with atrial fibrillation attenuates spontaneous calcium release-induced electrical activity 

      Jiménez Sábado, Verónica; Casabella Ramón, Sergi; Llach, Anna; Gich, Ignasi; Casellas Casanova, Sandra; Ciruela, Francisco; Chen, S.R. Wayne; Guerra Ramos, José Mª; Ginel Iglesias, Antonino; Benítez Iglesias, Raúl; Cinca, Juan; Tarifa Lora, Carmen; Hove-Madsen, Leif (Elsevier, 2023-02-01)
      Article
      Open Access
      Aims Atrial fibrillation (AF) has been associated with excessive spontaneous calcium release, linked to cyclic AMP (cAMP)-dependent phosphorylation of calcium regulatory proteins. Because ß-blockers are expected to ...

    • Caracterización de electrodos textiles en sensores integrados en ropa deportiva 

      Ortuño López, Aurora de la Concepción (Universitat Politècnica de Catalunya, 2018-01)
      Bachelor thesis
      Open Access
      The purpose of this project is to use electrodes with textile technology to measure an electrocardiogram (ECG) signal during physical activity. During intense exercise, changes in the heart rate (it is increased) and ...

    • Cardiac electrical defects in progeroid mice and Hutchinson-Gilford progeria syndrome patients with nuclear lamina alterations 

      Riveras Torres, Jose; Calvo, Conrado J.; Llach, Anna; Gúzman Martínez, Gabriela; Caballero, Ricardo; González Gómez, Cristina; Jiménez Borreguero, Luís J.; Guadix, Juan A.; Osorio, Fernando G.; López Otín, Carlos; Herraiz Martínez, Adela; Cabello, Nuria; Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl; Gordon, Leslie B. (2016-11-15)
      Article
      Open Access
      Hutchinson–Gilford progeria syndrome (HGPS) is a rare genetic disease caused by defective prelamin A processing, leading to nuclear lamina alterations, severe cardiovascular pathology, and premature death. Prelamin A ...