Choice of detection site for the determination of cardiac output by thermal dilution: the injection-thermistor-catheter

1973 ◽  
Vol 7 (1) ◽  
pp. 133-138 ◽  
Author(s):  
A. C. A. P. VLIERS ◽  
B. OESEBURG ◽  
K. R. VISSER ◽  
W. G. ZIJLSTRA
Keyword(s):  
Cardiac Output ◽  
Thermal Dilution

Analysis of indicator distribution in the determination of cardiac output by thermal dilution

1973 ◽  
Vol 7 (1) ◽  
pp. 125-132 ◽  
Author(s):  
A. C. A. P. VLIERS ◽  
K. R. VISSER ◽  
W. G. ZIJLSTRA
Keyword(s):  
Cardiac Output ◽  
Thermal Dilution

In vitro determination of accuracy of cardiac output measurements by thermal dilution

1982 ◽  
Vol 33 (5) ◽  
pp. 409-414 ◽  
Author(s):  
Thomas V. Bilfinger ◽  
Chung-Yuan Lin ◽  
Constantine E. Anagnostopoulos
Keyword(s):  
Cardiac Output ◽  
Cardiac Output Measurements ◽  
Thermal Dilution

Errors in calculating cardiac output due to administration of perfluorochemicals

1983 ◽  
Vol 54 (1) ◽  
pp. 318-320 ◽  
Author(s):  
A. L. Rosen ◽  
S. A. Gould ◽  
L. R. Sehgal ◽  
H. L. Sehgal ◽  
G. S. Moss
Keyword(s):  
Cardiac Output ◽  
Specific Heat ◽  
Red Blood Cells ◽  
Intravenous Administration ◽  
Blood Cells ◽  
Red Cells ◽  
Correction Factors ◽  
Calibration Constant ◽  
Thermal Dilution

Intravenous administration of perfluorochemicals (PFC) will alter the density (rho)B, the gravimetric specific heat (c)B, and the volumetric specific heat (rho c)B of blood. Changes in hematocrit also influence (rho c)B. The calibration constant employed in the determination of cardiac output (CO) by thermal dilution depends inversely on (rho c)B. We estimate the effect of addition of PFC and changes in hematocrit on (rho c)B. Consider blood to be a mixture of red cells, emulsified PFC particles, and plasma. This leads to the equation: (rho c)cB = 0.96 - 0.11Hct - 0.48Fct. Here Hct and Fct are the fractional volume concentrations of red blood cells and PFC, and (rho c)cB is the calculated specific heat based on the actual composition of blood. CO can be corrected for changes in (rho c)B by the equation: (CO)c = [(rho c)sB/(rho c)cB](CO)o. Here (CO)o is the observed cardiac output, (rho c)sB is the standard specific heat of blood used in the calculation of (CO)o, and (CO)c is the corrected cardiac output. We have observed laboratory situations where the correction factors have been as high as 10%.

Determination of Cardiac Output and Pressure Gradients at Operation

1958 ◽  
Vol 258 (11) ◽  
pp. 527-530 ◽  
Author(s):  
Herbert L. Tanenbaum ◽  
Eugene Braunwald ◽  
Andrew G. Morrow
Keyword(s):  
Cardiac Output ◽  
Pressure Gradients

Noninvasive pulsed Doppler determination of cardiac output in neonates and children

1982 ◽  
Vol 101 (1) ◽  
pp. 46-50 ◽  
Author(s):  
Dale C. Alverson ◽  
Marlowe Eldridge ◽  
Terrence Dillon ◽  
Steven M. Yabek ◽  
William Berman
Keyword(s):  
Cardiac Output ◽  
Pulsed Doppler

scholarly journals Evaluation of inert gas rebreathing for determination of cardiac output: influence of age, gender and body size

2018 ◽  
Vol 42 (6) ◽  
pp. 834-844 ◽  
Author(s):  
Jessica E. Middlemiss ◽  
◽  
Alex Cocks ◽  
Kaido Paapstel ◽  
Kaisa M. Maki-Petaja ◽  
...  
Keyword(s):  
Cardiac Output ◽  
Body Size ◽  
Inert Gas ◽  
Inert Gas Rebreathing
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