Carl Anton Ewald (1845–1915) was a German gastroenterologist whose pioneering studies advanced the understanding of digestive physiology.
Born in Berlin, he earned his medical doctorate in 1870 and worked as an assistant to pathologist Friedrich Theodor von Frerichs. In 1888, he became head physician of internal medicine at Augusta Hospital, transforming it into a center for pathological research on digestion.
Ewald’s contributions to gastric analysis included investigations into gastric secretions and the introduction of intubation as a diagnostic tool. His name is associated with the “Ewald tube,” a device used for stomach content extraction. Collaborating with Ismar Isidor Boas, he developed a standard “test meal” method, in which patients consumed specific foods followed by scheduled gastric juice analysis.
His works include The Diseases of the Stomach and Lectures on Digestion, both translated into English. He was editor of Berlin klinische Wochenschrift and served as librarian for the Berlin Medical Society.
More: Wikipedia • READ: Works by Carl Anton Ewald
Take spring when it comes, and rejoice. Take happiness when it comes, and rejoice. Take love when it comes, and rejoice.
—Carl Anton Ewald
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