myocardial oxygen consumption
Importance of Free Fatty Acids as a Determinant of Myocardial Oxygen Consumption and Myocardial Ischemic Injury during Norepinephrine Infusion in Dogs
... raises myocardial oxygen consumption ( VO 2 ) without influencing mechanical ...the myocardial ischemic injury produced by acute coronary occlusion; this could be due to an improved balance ...
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Effect of inhibition of lipolysis on myocardial oxygen consumption in the presence of isoproterenol
... The effect of intravenous infusion of isoproterenol on myocardial oxygen consumption ( Vo 2 ) was studied in 10 intact and anesthetized dogs before and after inhibition of lipolysis. In five dogs ...
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Relation of myocardial oxygen consumption and function to high energy phosphate utilization during graded hypoxia and reoxygenation in sheep in vivo
... between myocardial oxygen consumption (MVO2), function, and high energy phosphates during severe hypoxia and reoxygenation in sheep in ...of myocardial phosphates throughout hypoxia and ...
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Control of myocardial oxygen consumption: relative influence of contractile state and tension development
... variables: myocardial oxygen consumption (µl/beat per 100 g in LV) = K + ...the oxygen cost of augmentation of contractility is substantial, can be independent of any change in fiber ...
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Perfusion of the isolated trout heart coronary circulation with red blood cells: effects of oxygen supply and nitrite on coronary flow and myocardial oxygen consumption
... variance (ANOVA) with the Tukey post hoc test. One sample t-test was used to evaluate whether a mean was significantly different from zero. Results on nitrite uptake and metHb formation in oxygenated and deoxygenated ...
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Myocardial Oxygen Consumption and Lactate Release by the Hypoxic Hagfish Heart
... This paper provides the first measurements of myocardial oxygen consumption in a hagfish Eptatretus cirrhatus at known work rates, and quantifies the substantial contribution of anaerobi[r] ...
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Studies on Myocardial Metabolism III Coronary Blood Flow, Myocardial Oxygen Consumption and Carbohydrate Metabolism in Experimental Hemorrhagic Shock
... This report deals with a study of changes in coronary flow and myocardial oxygen consumption in experimental hemorrhagic shock and with the effect of these changes on the myocardial meta[r] ...
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Contractile Element Work: A Major Determinant of Myocardial Oxygen Consumption
... Multiple regression of oxygen consumption as a linear function of both contractile element work and heart rate was also performed in an effort to examine activation energy per beat as a [r] ...
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MYOCARDIAL OXYGEN CONSUMPTION DURING EXERCISE IN FASTING AND LIPEMIC SUBJECTS
... suggesting STATE 6 The altered physical state of plasma, shown by lactescence during alimentary lipemia, has been associated with reduced oxygen tensions in the brain 3 and skeletal musc[r] ...
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Studies on digitalis XVI Effects on myocardial oxygen consumption
... In the right heart bypass preparation, the stroke volume, aortic pressure, and heart rate were all held constant; moreover, since in this nonfailing preparation the LVEDP and left ventri[r] ...
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Myocardial Oxygen Consumption in the Sea Raven, Hemitripterus Americanus: the Effects of Volume Loading, Pressure Loading And Progressive Hypoxia
... Pressure loading These experiments N =15 fish examined the effect of changing power output of the heart while maintaining oxygen delivery Vb and Pch constant.. Mean output pressure was v[r] ...
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High calcium and dobutamine positive inotropy in the perfused mouse heart: myofilament calcium responsiveness, energetic economy, and effects of protein kinase C inhibition
... tion of troponin I reducing maximal actin-myosin AT- Pase activity [9]. Indeed, recently we have shown that in a transgenic mouse expressing mutant troponin I lacking protein kinase C phosphorylation sites that during ...
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Hemodynamics, coronary blood flow, and myocardial metabolism in coronary shock; response to l norepinephrine and isoproterenol
... and myocardial metabolism were evaluated in 18 patients in cardiogenic shock following acute myocardial ...min). Myocardial oxygen consumption (MV O 2 ) was normal ...
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Oxygen therapy for acute myocardial infarction
... that oxygen administration di- minishes acute myocardial ischaemia (Nicholson ...that oxygen may increase myocardial is- chaemia (Nicholson ...of oxygen therapy (Beasley 2007) also ...
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Oxygen consumption by a coral reef sponge
... The basal energetic needs of N. magnifica, defined as the amount of energy consumed by a starved organism (Bayne, 1976), were estimated using a method similar to that used to measure the energetic cost of pumping, but ...
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Oxygen consumption, circadian rhythmicity and sleep
... These were to determine if the pattern of energy expenditure observed across the night is a function of sleep processes, circadian rhythmicity or the specific dynamic action SDA effect o[r] ...
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Hemodynamic Responses to Exercise in Clinically Normal Middle aged Men and in Those with Angina Pectoris
... The slopes that were calculated for each individual were 1 cardiac index/oxygen consumption all oxygen consumption values are corrected to body surface area 2 heart rate/oxygen consumpti[r] ...
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Some Factors Affecting the Oxygen Consumption of Asellus
... The effect of size on the oxygen consumption is not significantly different from that calculated earlier for the Warburg respirometer P ~ 0-3; the level of oxygen consumption determined [r] ...
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Oxygen therapy for acute myocardial infarction
... Overall, the two groups appeared similar after randomisation in Rawles 1976 and Wilson 1997. In Ukholkina 2005 the two groups appeared similar in age, smoking, hypertension, unstable angina and cholesterol. There was a ...
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Impact of Mercury on Oxygen Consumption of Freshwater
... induced Oxygen Consumption in a freshwater bivalve Lamellidens marginalis, a sentinel species in aquatic ...chloride. Oxygen Consumption rate for acute treatment was recorded in groups Lc0 and ...
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