Stroke Volume and Cardiac Output
THE EFFECT OF TEMPORARY OCCLUSION OF ARTERIOVENOUS FISTULAS ON HEART RATE, STROKE VOLUME, AND CARDIAC OUTPUT
... THE EFFECT OF TEMPORARY OCCLUSION OF ARTERIOVENOUS FISTULAS ON HEART RATE, STROKE VOLUME, AND CARDIAC OUTPUT.. John L..[r] ...
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The thick left ventricular wall of the giraffe heart normalises wall tension, but limits stroke volume and cardiac output
... lower stroke volume ( V S ) per unit of cardiac mass than in similar-sized mammals (see ...then cardiac output per mass unit must be substantially ...
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Rationale for using the velocity–time integral and the minute distance for assessing the stroke volume and cardiac output in point-of-care settings
... Conclusion: The VTI and minute distance are simple, feasible and reproducible measurements to serially track the SV and CO and thus their high value in the hemodynamic monitoring of critically ill patients in ...
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Stroke volume and cardiac output in juvenile elephant seals during forced dives
... all cardiac MRI techniques employ a data acquisition protocol that is gated by ECG, which serves to eliminate motion artifacts due to the contractile motion of the ...gated cardiac studies are reliant on ...
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Evaluating cardiac physiology through echocardiography in bottlenose dolphins: using stroke volume and cardiac output to estimate systolic left ventricular function during rest and following exercise
... In summary, this study provides the first simultaneous measurements of f H and SV in cetaceans. As respiration significantly increases f H and most probably SV (Figs 1 and 2), and as we were not able to assess the ...
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Regulation of Cardiac Output by Stroke Volume and Heart Rate in Conscious Dogs
... These findings indicate that in the normal, conscious, reclining dog with all control mechanisms intact, reduction of cardiac output by volume depletion is mediated entirely by a reducti[r] ...
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Reductions in cardiac output, central blood volume, and stroke volume with thermal stress in normal men during exercise
... attainment of maximal heart rate at lower work loads at 43.3° C, cardiac output could no longer be increased to meet the demands of higher work loads. Nevertheless, demands for oxygen tr[r] ...
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Heart rate and stroke volume contribution to cardiac output in swimming yellowfin tuna: response to exercise and temperature
... The nature of cardiovascular responses to exercise in tunas (family Scombridae, tribe Thunnini) has remained largely speculative. Until recently, the difficulty in working with these highly active, pelagic fishes has ...
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HEMODYNAMIC CHANGES DURING THIOPENTAL ANESTHESIA IN HUMANS: CARDIAC OUTPUT, STROKE VOLUME, TOTAL PERIPHERAL RESISTANCE, AND INTRATHORACIC BLOOD VOLUME
... was unchanged during the state of hypnosis and reduced 25 per cent (S.D. + 10 per cent) dur- ing deep surgical anesthesia. The changes in the "intrathoracic blood volume" and str[r] ...
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The effect of endogenously released glucose, insulin, glucagon-like peptide 1, ghrelin on cardiac output, heart rate, stroke volume, and blood pressure
... The CO, HR, SV, systolic and diastolic blood pressure, antral area, gastric emptying rate, and glucose, insulin, GLP-1 and ghrelin levels were measured.. Results: The CO and SV at 30 min[r] ...
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Factors Affecting Blood Pressure. Vessel Elasticity Blood Volume Cardiac Output
... 18. (Page 10.) Why does blood pressure often increase in individuals with arteriosclerosis? 19 (Page 11.) What is the relationship between blood volume and blood pressure? 20. (Page 13.) What is the relationship ...
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THE CARDIAC OUTPUT IN PATIENTS WITH ARTERIOVENOUS FISTULAS
... V., The effect of temporary occlusion of arteriovenous fistulas on the heart rate, stroke volume, and cardiac output. L., The blood volume in patients with arteriovenous fistulas[r] ...
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Noninvasive measurement of cardiac stroke volume using pulse wave velocity and aortic dimensions: a simulation study
... of cardiac output would be one that is accurate, precise, operator independent, fast respond- ing, non-invasive, continuous, easy to use, inexpensive, and ...of stroke volume and ...
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Relationship of pulse pressure variation and stroke volume variation with cardiac output changes during mechanical ventilation in ASA 2 & 3 patients, undergoing major spine surgeries in prone position
... 8 The objective of our study is to compare the reliability of alterations in pulse pressure variation with regard to the variation in stroke volume and cardiac index. Even though, the capability of ...
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Volume and its relationship to cardiac output and venous return
... blood volume but there is no flow, the vasculature still has a pressure and this pressure is the same in all compartments of the ...stressed volume in the circulation and the sum of the compliances of all ...
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Measuring of Cardiac Output - Laboratory Task
... Srdeční výdej je podle definice dán součinem množství krve vypuzené srdcem během jednoho srdečního cyklu tj. tepového objemu (stroke volume – SV) a počtem cyklů za jednu minutu tj. tepovou frekvencí (heart ...
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CARDIAC OUTPUT. The volume left in ventricle at the end of systole (after ejection of blood). The normal value of end systolic volume is about 50ml.
... = 5250 ml/min Normally when heart rate goes up, cardiac output increases. But when heart rate becomes abnormally high, heart rate is so fast that it reduce ventricular filling time and left ventricle does ...
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Improved pressure contour analysis for estimating cardiac stroke volume using pulse wave velocity measurement
... At present, SV is continuously measured indirectly using continuous cardiac output monitors in the intensive care unit (ICU) [7, 8]. Non-invasive methods, such as esopha- geal Doppler and bio-impedance ...
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Evaluation of radial artery pulse pressure effects on detection of stroke volume changes after volume loading maneuvers in cardiac surgical patients
... Femoral artery 491 Fluid challenge 0.72 0.38 PAC, pulmonary artery catheter; PiCCO, pulse indicator continuous cardiac output; AUC, area under the receiver operating characteristic curve; r, Pearson ...
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Monitoring cardiac output in beating heart coronary artery bypass graft surgery: use of pulse contour cardiac output
... the cardiac axis, and therefore precordial electrocar- ...of stroke volume, continuous cardiac output, systemic vascular resistance, intrathoracic blood volume and extravascu- ...
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