Subject-specific Model Estimation of Cardiac Output and Blood Volume During Hemorrhage
نویسندگان
چکیده
منابع مشابه
Serial Cardiac Output and Blood Volume Studies Following Cardiac Valve
DETERMINATION of the cardiac output during the early postoperative period following open heart surgery has been difficult due to technical problems in adapting the Fick and indicator-dilution methods to the bedside. The recent availability of a radioisotopedilution method using precordial detection provides a simple and reliable means of measuring blood flow in the postoperative setting. In add...
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Effects of hemodialysis on extracellular fluid volume distribution, left ventricular volumes, and cardiac output were determined in patients with end-stage renal disease (n = 19). Distribution of extracellular fluid loss from hemodialysis differed widely among patients, so that weight change correlated weakly with contraction of total blood volume (index of determination 29%, p less than 0.05)....
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Regional flow measurements were made, using the Rudolph and Heymann microsphere technique, before and after 10, 30, and 50% of the previously measured blood volume was withdrawn from five unanesthetized rhesus monkeys restrained in horizontally tilted primate chairs. Measurements at similar time intervals were also made in seven control monkeys. Systemic arterial and central venous pressures, c...
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The determination of cardiac output has been rendered easy and safe by the introduction of the method using radio-iodinated human serum albumin (IHSA) in conjunction with a suitable external counting system set up over the heart (Veall et al., 1954). Cardiac output is known to be increased in the presence of anaemia (Starr et al., 1934; Sharpey-Schafer, 1944; Brannon et al., 1945), but no work ...
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In anesthetized dogs venous return was drained into a blood reservoir from which blood was pumped to the right atrium at a variable perfusion rate, which was equal to cardiac output in the steady state. When cardiac output was decreased or increased by 25 or 50 percent of the control, the blood volume in the dog's body was changed in the same direction in the intact reflexic state as well as in...
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ژورنال
عنوان ژورنال: Cardiovascular Engineering
سال: 2007
ISSN: 1567-8822,1573-6806
DOI: 10.1007/s10558-007-9035-7