Acid-base equilibrium of blood in normal infants

Acid-base equilibrium of arterialized capillary blood was determined on 139 normal infants between the ages of 3 months and 2 years. The mean and standard deviation of each component was as follows: pH 7.398 ± 0.027, base excess -3.2 ± 1.7 mEq/L, pCO2 33.8 ± 3.7 mm Hg, and plasma total CO2 content 2...

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Bibliographic Details
Published in:Pediatrics (Evanston) 1966-05, Vol.37 (5), p.728-732
Main Authors: Albert, M S, Winters, R W
Format: Article
Language:English
Subjects:
Acid-Base Equilibrium
Blood
Capillaries
Child, Preschool
Female
Humans
Infant
Male
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Summary:Acid-base equilibrium of arterialized capillary blood was determined on 139 normal infants between the ages of 3 months and 2 years. The mean and standard deviation of each component was as follows: pH 7.398 ± 0.027, base excess -3.2 ± 1.7 mEq/L, pCO2 33.8 ± 3.7 mm Hg, and plasma total CO2 content 21.1 ± 1.9 mM/L. When compared to normal adult values, all components except blood pH were reduced to a statistically significant extent. These data are proposed as definitive standards for normal acid-base equilibrium in infants of this age group.
ISSN:0031-4005
1098-4275
DOI:10.1542/peds.37.5.728