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Rokitansky, Karl

(Encyclopedia)Rokitansky, Karl kärl rōkĭtänˈskē [key], 1804–78, Austrian pathologist, b. Bohemia. From 1834 to 1873 he taught pathological anatomy at the Univ. of Vienna. He performed over 30,000 autopsies ...

heart-lung machine

(Encyclopedia)heart-lung machine, device that maintains the circulation of the blood and the oxygen content of the body when connected with the arteriovenous system; it is also called the pump oxygenator. The machi...

congenital heart disease

(Encyclopedia)congenital heart disease, any defect in the heart present at birth. There is evidence that some congenital heart defects are inherited, but the cause of most cases is unknown. One known cause is infec...

congestive heart failure

(Encyclopedia)congestive heart failure, inability of the heart to expel sufficient blood to keep pace with the metabolic demands of the body. In the healthy individual the heart can tolerate large increases of work...

Harvey, William

(Encyclopedia)Harvey, William, 1578–1657, English physician considered by many to have laid the foundation of modern medicine, b. Folkestone, studied at Cambridge, M.D. Univ. of Padua, 1602. Returning to London, ...

CAT scan

(Encyclopedia)CAT scan kăt [key] [computerized axial tomography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also called CT scan. An X-...

Cousins, Norman

(Encyclopedia)Cousins, Norman, 1915–90, American editor and author, b. Union City, N.J. He was (1934–35) a newspaper editorial writer and historical magazine editor (1935–40) before beginning his long associa...

valve

(Encyclopedia)valve, device for controlling the flow of fluids (liquids and gases). Valves vary in construction and size depending upon their function. Some are classified according to their method of operation or ...

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