Results 321 to 330 of about 1,121,875 (382)
MicroRNA-221 protects myocardial contractility in myocardial ischemia/reperfusion injury through phospholamban. [PDF]
PLoS OneLi H +6 more
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THE EFFECT OF CORONARY OCCLUSION ON MYOCARDIAL CONTRACTION [PDF]
American Journal of Physiology-Legacy Content, 1935 Many students of the coronary circulation must have noted that the ventricular zone affected by ligating a large coronary branch not only appears cyanotic and dilated, but that it seems to alter in its mode of contraction.
Robert Tennant, Carl J. Wiggers
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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 ...
M.D. Silver +4 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 ...
M.D. Silver +4 more
openaire +2 more sources
Japanese Journal of Applied Physics, 2019
The propagation of myocardial contraction caused by the conduction of electrical excitation in the heart has been visualized in our previous study. However, it was assumed that the contraction propagated parallel to the heart wall and the propagation ...
Akane Hayashi +3 more
semanticscholar +1 more source
The propagation of myocardial contraction caused by the conduction of electrical excitation in the heart has been visualized in our previous study. However, it was assumed that the contraction propagated parallel to the heart wall and the propagation ...
Akane Hayashi +3 more
semanticscholar +1 more source
Radiology, 2017
Purpose To assess the utility of established functional markers versus two additional functional markers derived from standard cardiovascular magnetic resonance (MR) images for their incremental diagnostic and prognostic information in patients with ...
N. Arenja +9 more
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Purpose To assess the utility of established functional markers versus two additional functional markers derived from standard cardiovascular magnetic resonance (MR) images for their incremental diagnostic and prognostic information in patients with ...
N. Arenja +9 more
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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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THE INHIBITORY EFFECT OF ACETOACETATE ON MYOCARDIAL CONTRACTION
The Lancet, 1962Williamson and Krebs 1 and Hall 2 have recently reported that acetoacetate, when added to the perfusion medium of an isolated heart in concentrations as high as or higher than in cases of mild ketosis, is oxidised in preference to glucose. These workers, and also Ottaway and Sarkar,3 have shown that lactate accumulated in the perfusion fluid ...
Zimmerman, A.N.E. +2 more
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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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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.
Malcolm J. Lewis +3 more
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Endothelial Modulation of Myocardial Contraction
Endothelium, 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. Shah
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