Cardiac output and its distribution in peritonitis

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Abstract
Summary Cardiac output and its distribution were studied in rats made septic by an i.p. injection of liveE. coli bacteria and in controls given an equivalent amount of saline. The E. coli injection was followed by signs of severe shock in eight of 12 rats. Control animals all survived with only minor changes in cardiac output and peripheral hemodynamics. Blood flow in shocked animals was characterized by a reduction of cardiac output, while myocardial and cerebral flows were not reduced. The intact circulation to the brain and to the heart in the shocked rats was at the expense of kidney, spleen, and skin blood flows.