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Specific resistance of blood at body temperature II

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Abstract

The specific resistance values for samples of goat, sheep, camel, monkey, baboon, cat and pig blood at 37°C are given for a range of packed-cell volumes extending from 0 to 70%. The relationship is presented in the form p=AeαH, when p is the specific resistance, A and α are constants and H is the packed-cell volume in percent. In addition, values for the change in resistivity with the addition of saline are presented to allow electrical calibration for conductivity cells when saline is used as the indicator in cardiac-output studies.

Sommaire

La valeur de la résistance spécifique à 37° pour des échantillons de sang de chévre ‘de mouton’ de chameau, de singe, de babouin, de chat et de cochon est fournie pour une gamme de volumes de cellules tassées allant de 0 à 70%. La relation est exprimée sous la formep=AeαH, oùp est la résistance spécifique,A et é sont des constantes etH est le pourcentage du volume des cellules tassées. On présente en plus les valeurs des changements de résistance observés par l'addition de solution saline afin de permettre la calibration électrique des cellules de condictivité dans lesquelles une solution saline est utilisée comme indicateur pour les études de rendement cardiaque.

Zusammenfassung

Für mehrere volle Zellvolumen von 0 bis 70% werden die Werte für den spezifischen widerstand des Blutes von Ziegen, Schafen, Kamelen, Affen, Pavianen, Katzen und Schweinen bei 37°C angegeben Das Verhältnis wird in Form vonp=AeαH vorgelegt, wobeip der spezifische Widerstand ist,A and α Konstanten sind undH das prozentuale volle Zellvolumen ist. Ferner werden Werte für einen Wandel des Widerstandes durch Zusatz von Salzlösung angegeben. Dadurch wird die elektrische Eichung von Leitfähigkeitszellen ermoglicht, wenn Salzlösung als Anzeige für Herzleistungsuntersuchungen verwendet wird.

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Author notes

  1. L. A. Geddes

    Present address: Purdue University, 47907, West Lafayette, Indiana, USA

Authors and Affiliations

  1. Division of Biomedical Engineering, Baylor College of Medicine, 77025, Houstion, Texas, USA

    L. A. Geddes

  2. University of Houston, 77025, Houston, Texas, USA

    H. Kidder

Authors
  1. L. A. Geddes
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  2. H. Kidder
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Geddes, L.A., Kidder, H. Specific resistance of blood at body temperature II. Med. & biol. Engng. 14, 180–185 (1976). https://doi.org/10.1007/BF02478745

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  • DOI: https://doi.org/10.1007/BF02478745

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