Extensive studies of the gastric residuum of normal men have been made by Hawk and collaborators.1 These investigations have demonstrated that the average volume is quite large (in over 100 normal cases the average was 52.14 c.c.), quite contrary to the views of Loeper,2 Zweig,3 Kemp,4 Wolff,5 Strauss,6 Riegel,6 and Soupalt,6 who assert that the quantity of residuum in the normal fasting stomach should not exceed 20 c.c. Rosin and Schreiber6 suggest a maximum limit of 60 c.c. for the volume of the gastric residuum. A variation of from 17 to 180 c.c. in the volumes of the various residuums examined by Hawk further demonstrates the unimportance of the quantity of residuum as an aid in diagnosis. These findings of Hawk and collaborators have recently been confirmed by Talbot.7
The residuum is a Physiologically active secretion8 and is probably in part the result of the activity of the gastric galnds8 and in part
FOWLER CC, ZENTMIRE Z. STUDIES THE GASTRIC RESIDUUM: I. A YSTUDY EIGIITYEIGHTY OF LES OF GASTRIC RESIDUUMSN FROM APPARENTLY NOEMAL WOMEN. JAMA. 1917;LXVIII(3):167–170. doi:10.1001/jama.1917.04270010167003
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