NORMAL STANDARDS OF GASTRIC FUNCTION

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Abstract
In "normal" adult hospital patients (i.e., without digestive symptoms and secreting a juice with free HCl over 10), the fasting gastric juice was aspirated, 0.1 mgm. histamine per kgm. body weight was hypodermically injected, and the total secretions aspirated over successive 10-min. periods until the flow of juice had subsided to the basal level. The greatest 10-min. volume of secretion and the highest titratable acidity were considered indices of stomach function. Wide variations in volume were observed, with progressive decrease in amount with advancing age. About 1/2 determinations, however, fell within 21-35 cc. Considerable variation was also observed in highest titratable acidity; however, about 3/4 of the values lie above 100. The acid values show a decline with advancing age when the figures in various decades are averaged.

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