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There is hardly a single condition concerning which opinion and treatment have so much changed during recent years as so-called hyperacidity of the stomach. Practically this term is taken to mean those cases of increasing gastric disturbances which appear at various intervals after the taking of ordinary food or special kinds of nourishment. The pain is sometimes accompanied by eructations of gas and small quantities of soured fluid (heart-burn). On examination of the gastric contents obtained with the stomach-tube, there is found either hyperacidity, large quantities of normal stomach-juice, or acid gastric juice. Thus we have either hyperacidity or hypersecretion. The latter may be separated into a digestive and a continuous type.
The continuous type of hypersecretion, when appearing periodically, has been called by some authors gastroxynsis. The most serious cases of continued hypersecretion are known as Reichmann's disease or gastrosuccorrhea.
When further analysis of the cases for various abnormal
SCHMIDT A. HYPERACIDITY OF THE STOMACH. JAMA. 1914;LXII(6):430–433. doi:10.1001/jama.1914.02560310008002
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