Results 41 to 50 of about 92,405 (289)

Changes in left ventricular electromechanical relations during targeted hypothermia

open access: yesIntensive Care Medicine Experimental, 2020
Background Targeted hypothermia, as used after cardiac arrest, increases electrical and mechanical systolic duration. Differences in duration of electrical and mechanical systole are correlated to ventricular arrhythmias.
Kristin Wisløff-Aase   +5 more
doaj   +1 more source

Cardiac Electromechanical Activity in Healthy Cats and Cats with Cardiomyopathies

open access: yesSensors, 2023
Optimal heart function depends on perfect synchronization between electrical and mechanical activity. In this pilot study, we aimed to investigate the electromechanical activity of the heart in healthy cats and cats with cardiomyopathy with ...
Maja Brložnik   +4 more
doaj   +1 more source

A coupled mitral valve -- left ventricle model with fluid-structure interaction

open access: yes, 2017
Understanding the interaction between the valves and walls of the heart is important in assessing and subsequently treating heart dysfunction. With advancements in cardiac imaging, nonlinear mechanics and computational techniques, it is now possible to ...
Brown, André EX   +11 more
core   +3 more sources

Evaluation of the impact of vitamin D on blood pressure in patients with diabetes mellitus

open access: yesHealthcare in Low-resource Settings
This study assessed the effects of vitamin D on blood pressure in individuals diagnosed with diabetes mellitus. Convenience sampling and a cross-sectional, analytical, quantitative approach were used.
Muhammad Khalif Alghifari   +3 more
doaj   +1 more source

Insuficiência cardíaca com fração de ejeção normal: novos critérios diagnósticos e avanços fisiopatológicos Insuficiencia cardiaca con fracción de eyección normal: nuevos criterios diagnósticos y avances fisiopatológicos Heart failure with normal ejection fraction: new diagnostic criteria and pathophysiological advances

open access: yesArquivos Brasileiros de Cardiologia, 2009
A insuficiência cardíaca (IC) é uma complexa síndrome cardiovascular com elevada prevalência, sendo que seu quadro clínico frequentemente é associado à dilatação do ventrículo, à diminuição da contratilidade e à reduzida fração de ejeção do ventrículo ...
Evandro Tinoco Mesquita   +1 more
doaj   +1 more source

Including Aortic Valve Morphology in Computational Fluid Dynamics Simulations: Initial Findings and Application to Aortic Coarctation [PDF]

open access: yes, 2012
Computational fluid dynamics (CFD) simulations quantifying thoracic aortic flow patterns have not included disturbances from the aortic valve (AoV). 80% of patients with aortic coarctation (CoA) have a bicuspid aortic valve (BAV) which may cause adverse ...
Cava, Joseph Richard   +8 more
core   +2 more sources

Gold Nanorods in Cardiac Millitissues: Assessing Mechanical and Contractile Dynamics in a Living Engineering Myocardium Model

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a novel platform for assessing the active mechanical behavior of living cardiac microbundles through localized nanoindentation, integrated with temperature regulation and dual‐camera imaging systems. The developed system enables quantitative evaluation of dynamic micromechanics in engineered cardiac tissues in vitro, offering ...
Lihua Lou   +4 more
wiley   +1 more source

VARIABILITAS TEKANAN DARAH INTRADIALISIS PASIEN PENYAKIT GINJAL KRONIS DENGAN HEMODIALISIS BERKELANJUTAN

open access: yesMajalah Biomorfologi, 2019
Background: Various of studies report there was a link between changes in blood pressure during hemodialysis and the level of patient’s morbidity and mortality.
Maulana Muhtadin Suryansyah   +2 more
doaj   +1 more source

Hubungan Kesepian dengan Gangguan Pola Tidur pada Lansia Hipertensi dan Tekanan Darah Normal di UPT PSTW Banyuwangi

open access: yesNERS Jurnal Keperawatan, 2022
Loneliness affected sleep disorders among the elderly. A poor sleep pattern will be increasing blood pressure among elderly. The aimed his study was to analyzed the correlation between loneliness and sleep disorder among the elderly with hypertension. A
Insyaf Prawita Sari   +4 more
doaj   +1 more source

Effects of anesthesia on conventional and speckle tracking echocardiographic parameters in a mouse model of pressure overload [PDF]

open access: yes, 2015
Genetically‑modified mice are widely applied in cardiovascular studies as model organisms. Echocardiography is a key tool for evaluating cardiac and hemodynamic functions in mice.
Cao, Ming   +7 more
core   +1 more source

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