BLOOD VOLUME IN EXPERIMENTAL HEMORRHAGIC SHOCK

Abstract
Blood vol. studies were carried out on 23 unanes-thetized dogs in hemorrhagic shock produced by a single rapid bleeding. Detns. were made of the magnitude of the compensatory reserves involved in the early restoration of the blood vol. These reserves averaged 10.7% of the control blood vol. but ranged from 3-18%. It was concluded that for dogs under these conditions the blood vol. must be reduced by at least 40% to lead to progressive fatal shock.

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