Results 201 to 210 of about 83,934 (252)
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International Journal of Legal Medicine, 2001
Pathological contraction bands affecting myocardial cells are observed in many different human conditions and in different experimental models. Their morphology was defined long ago but we need to understand the pathogenesis and functional meaning. A distinction between different histological forms of contraction bands and their quantification in a ...
G Baroldi +2 more
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Pathological contraction bands affecting myocardial cells are observed in many different human conditions and in different experimental models. Their morphology was defined long ago but we need to understand the pathogenesis and functional meaning. A distinction between different histological forms of contraction bands and their quantification in a ...
G Baroldi +2 more
exaly +2 more sources
Endothelial Modulation of Myocardial Contraction
Endothelium: Journal of Endothelial Cell Research, 1994Both endocardial endothelium and coronary vascular endothelium in the heart influence myocardial contraction by releasing diffusible agents that affect the subjacent myocardium. This effect of cardiac endothelium can be demonstrated both in isolated tissue preparations as well as pump function in intact hearts both in vitro and in vivo. Agents released
Malcolm J Lewis, Ajay M Shāh
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Localized Disorders in Myocardial Contraction
New England Journal of Medicine, 1967Michael V Herman +2 more
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INHIBITORY EFFECT OF ACETOACETATES ON MYOCARDIAL CONTRACTION
Lancet, The, 1962exaly +3 more sources
Tonic component of myocardial contraction
Cell Calcium, 2004Calcium transients and contractions of cardiac myocytes consist of phasic component, relaxing spontaneously independently of membrane voltage and of the tonic component (TC) relaxing only upon repolarization. Experimental data reviewed in this article suggest that most Ca(2+) activating TC is released from sarcoplasmic reticulum (SR) via the ryanodine ...
Bohdan, Lewartowski, Urszula, Mackiewicz
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Myocardial Contraction and Long QT Syndrome
Trends in Cardiovascular Medicine, 2011The long QT syndrome is an inherited cardiac arrhythmic disease that has been regarded as a purely electrical disease. However, sporadic reports have indicated that myocardial contraction abnormalities are present in these patients. Novel echocardiographic techniques such as strain echocardiography have made it possible to further elucidate cardiac ...
Kristina H, Haugaa, Thor, Edvardsen
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Effect of vanadate on myocardial force of contraction
Basic Research in Cardiology, 1980Ammonium vanadate (NH4VO3; 50-1000 microM) increases the force of contraction of isolated electrically driven cat papillary muscles in a concentration-dependent manner. The positive inotropic effect (PIE) of NH4VO3 became significant at 50 microM and was maximal at 500 to 1000 microM.
H, Scholz +3 more
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The influence of endocardial endothelium on myocardial contraction
Trends in Pharmacological Sciences, 1992A novel unidentified agent, provisionally named 'endocardin', has been shown to be released from endocardial endothelium. Endocardin has a unique prolonging effect on myocardial contraction. In contrast, endothelium-derived relaxing factor released from endocardial endothelium has the opposite effect of abbreviating contraction.
J A, Smith +3 more
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Application of myocardial contraction fraction
International Journal of Cardiology, 2022Xiaoshang, Zhang +3 more
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Physiology of Myocardial Contraction
2002The principal function of the heart is to propel oxygenated blood to the peripheral tissues to meet their metabolic demands. The systemic arterial and venous systems provide the conduits. The interaction of the left ventricle (LV) with the arterial and venous systems is therefore integral to the satisfactory performance of this vital function.
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