Results 61 to 70 of about 8,152 (224)

Multiscale studies of delayed afterdepolarizations I: A comparison of two biophysically realistic mathematical models for human ventricular myocytes [PDF]

open access: yesarXiv, 2023
Focal arrhythmias, which arise from delayed afterdepolarizations (DADs), are observed in various pathophysiological heart conditions; these can lead to sudden cardiac death. A clear understanding of the electrophysiological factors of cardiac myocytes, which lead to DADs, can suggest pharmacological targets that can eliminate DAD-induced arrhythmias ...
arxiv  

Arritmias cardíacas en la clínica del perro y del gato : una revisión bibliográfica y su enfoque práctico [PDF]

open access: yes, 1992
En el presente trabajo los autores realizan una revisión del sistema intrínseco de conducción eléctrica intracardïaco, los mecanismos de generación de arritmias y una revisión práctica de las alteraciones electrocardiográficas más habituales en la ...
Montoya Alonso, J. A., Ynaraja, E.
core  

Electrocardiografía en equinos fina sangre de carrera [PDF]

open access: yes, 2009
The Thoroughbreds horses are highly competitive athletes under great physical demands. To achieve a good performance they need a constant adaptation process of the cardiovascular system to exercise.
Dörner S.M., Cristobal   +1 more
core   +2 more sources

Extrasístoles ventriculares con intervalo corto de acoplamiento como detonantes de arritmias malignas

open access: yesCorSalud, 2016
Introducción: Algunas arritmias ventriculares malignas son desencadenadas por extrasístoles ventriculares con intervalo corto de acoplamiento. Objetivo: Caracterizar los pacientes con eventos de muerte súbita o sincopales por arritmias ventriculares ...
Margarita Dorantes Sánchez   +2 more
doaj  

A Novel Mathematical/Numerical Formula for Assessing Right Ventricular Torsion Using Echocardiographic Imaging [PDF]

open access: yesarXiv, 2015
Recently, the ventricular torsional parameters have received special attention because of their significant role in the ventricular systolic and diastolic function. Right ventricular (RV) rotational deformation is a sensitive index for RV performance but difficult to measure.
arxiv  

Marcapassos Implantáveis com Monitores de Ritmo Cardíaco

open access: yesJournal of Cardiac Arrhythmias, 2005
A análise dos eletrogramas endocavitários (EGM) é de grande importância no seguimento de portadores de marcapasso. Estudos realizados com modelos antigos revelaram taxas elevadas de falsos diagnósticos.
Eduardo Arrais ROCHA   +8 more
doaj   +4 more sources

Dispersión del intervalo QT corregido como predictor de arritmias ventriculares en el infarto agudo del miocardio

open access: yesGaceta Médica Espirituana, 2018
Fundamento: La dispersión del intervalo QT es un marcador electrocardiográfico que puede resultar útil en la estratificación de riesgo arrítmicos en pacientes con infarto agudo del miocardio.
Ailed Rodríguez Jiménez   +4 more
doaj  

Ventricular torsional relation to ventricular fiber arrangement [PDF]

open access: yesarXiv, 2014
Left ventricular torsion from helically oriented myofibers is a key parameter of cardiac performance. Physicians observing heart motion on echocardiograms, during cardiac catheterization, or in the operating room, are impressed by the twisting or rotary motion of the left ventricle during systole.
arxiv  

On in-silico estimation of left ventricular end-diastolic pressure from cardiac strains [PDF]

open access: yes2024 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), pp. 1-4
Left ventricular diastolic dysfunction (LVDD) is a group of diseases that adversely affect the passive phase of the cardiac cycle and can lead to heart failure. While left ventricular end-diastolic pressure (LVEDP) is a valuable prognostic measure in LVDD patients, traditional invasive methods of measuring LVEDP present risks and limitations ...
arxiv   +1 more source

Ingestão de cafeína e risco de arritmias [PDF]

open access: yes, 2012
Trabalho complementar (Monografia) realizado no âmbito da Unidade Curricular Estágio da Licenciatura em Ciências da Nutrição da Faculdade de Ciências da Nutrição e Alimentação da Universidade do Porto, sob orientação da Dra.
Abreu, Inês Tiago Soares Moreira de
core  

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