CIRCULATORY DYNAMICS IN THE BASAL STATE OBSERVED DURING CONVALESCENCE. CHANGES IN BODY WEIGHT, BLOOD VOLUME, AND VENOUS PRESSURE 12

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Abstract
, The following measurements were made upon a group of basal convalescent c? patients who had undergone infectious disease or surgical operation: height, weight, pulse, respiration, arterial and venous blood pressure, blood velocity from arm to tongue, hand, perineum and feet, cardiac output, cardio-thoracic ratio, O2 consumption, BMR, ventilation, tidal air, utilization coefficient, hematocrit value, total blood volume, plasma vol. and cell vol., plasma total protein, circulating plasma total protein, and electrocardiogram. None of these observations indicated any characteristic abnormality of the circulation when the results were compared with currently accepted normal standards; so none of these tests appears to be of any use as a routine procedure for the clinical classification of convalescence. Follow up studies revealed small but significant alterations which could be detected only by comparing the individual with himself as a control. These differences were: a deficit in body wt. of 3. 6 kg., a deficit during early convalescence of approx. 1/2 1. of blood vol., and a deficit of 35% of the patient''s usual venous pressure.

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