Carl Anton Ewald
Encyclopedia
Carl Anton Ewald was a German
gastroenterologist who was a native of Berlin
. In 1870 he earned his medical doctorate
in Berlin, and subsequently became an assistant to pathologist Friedrich Theodor von Frerichs
(1819-1885). In 1888 he became head physician of the department of internal medicine
at Augusta Hospital in Berlin.
Carl Ewald was a pioneer in the field of gastroenterology
, and was a catalyst in making Augusta Hospital a center for pathological
studies of digestion
. Ewald is remembered for investigations of gastric secretions, and the introduction of intubation
as a medical aid in gastric analysis. The eponymous Ewald tube is named after him, which is a gastric tube used for emptying the contents of the stomach
.
With Ismar Isidor Boas
(1858-1938), he developed a standard "test meal" for gastric analysis. This involved a process in which various foods were given to a patient, and followed by analysis of gastric juices at scheduled intervals. Among his published works are "The Diseases of the Stomach" and "Lectures on Digestion", which have both been translated into English. For many years Ewald was editor of the Berlin klinische Wochenschrift, as well as librarian
to the Berlin Medical Society.
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
gastroenterologist who was a native of Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...
. In 1870 he earned his medical doctorate
Doctorate
A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
in Berlin, and subsequently became an assistant to pathologist Friedrich Theodor von Frerichs
Friedrich Theodor von Frerichs
Friedrich Theodor von Frerichs was a German pathologist who was born in Aurich. After earning his medical degree from the University of Göttingen in 1841, he returned to Aurich and spent the next four years there as an optician...
(1819-1885). In 1888 he became head physician of the department of internal medicine
Internal medicine
Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists. They are especially skilled in the management of patients who have undifferentiated or multi-system disease processes...
at Augusta Hospital in Berlin.
Carl Ewald was a pioneer in the field of gastroenterology
Gastroenterology
Gastroenterology is the branch of medicine whereby the digestive system and its disorders are studied. The name is a combination of three Ancient Greek words gaster , enteron , and logos...
, and was a catalyst in making Augusta Hospital a center for pathological
Pathology
Pathology is the precise study and diagnosis of disease. The word pathology is from Ancient Greek , pathos, "feeling, suffering"; and , -logia, "the study of". Pathologization, to pathologize, refers to the process of defining a condition or behavior as pathological, e.g. pathological gambling....
studies of digestion
Digestion
Digestion is the mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a blood stream, for instance. Digestion is a form of catabolism: a breakdown of large food molecules to smaller ones....
. Ewald is remembered for investigations of gastric secretions, and the introduction of intubation
Intubation
Tracheal intubation, usually simply referred to as intubation, is the placement of a flexible plastic or rubber tube into the trachea to maintain an open airway or to serve as a conduit through which to administer certain drugs...
as a medical aid in gastric analysis. The eponymous Ewald tube is named after him, which is a gastric tube used for emptying the contents of the stomach
Stomach
The stomach is a muscular, hollow, dilated part of the alimentary canal which functions as an important organ of the digestive tract in some animals, including vertebrates, echinoderms, insects , and molluscs. It is involved in the second phase of digestion, following mastication .The stomach is...
.
With Ismar Isidor Boas
Ismar Isidor Boas
Ismar Isidor Boas was a German gastroenterologist who was born in the town of Exin. He studied medicine in Berlin, Halle and Leipzig, and subsequently became an assistant to Carl Anton Ewald at the Augusta Hospital in Berlin...
(1858-1938), he developed a standard "test meal" for gastric analysis. This involved a process in which various foods were given to a patient, and followed by analysis of gastric juices at scheduled intervals. Among his published works are "The Diseases of the Stomach" and "Lectures on Digestion", which have both been translated into English. For many years Ewald was editor of the Berlin klinische Wochenschrift, as well as librarian
Librarian
A librarian is an information professional trained in library and information science, which is the organization and management of information services or materials for those with information needs...
to the Berlin Medical Society.