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Haller, Albrecht von

(Encyclopedia)Haller, Albrecht von älˈbrĕcht fən häˈlər [key], 1708–77, Swiss scientist and writer. He had already won distinction as botanist and poet when he was appointed (1736) professor of anatomy, me...

Heister, Lorenz

(Encyclopedia)Heister, Lorenz lōˈrĕnts hīˈshtər [key], 1683–1758, German surgeon. Having studied anatomy under the famous Dutch master Frederik Ruysch (1638–1731), Heister served as an army surgeon in sev...

radius

(Encyclopedia)radius, in anatomy: see arm.

Eakins, Thomas

(Encyclopedia)Eakins, Thomas āˈkĭnz [key], 1844–1916, American painter, photographer, and sculptor, b. Philadelphia, where he worked most of his life. Eakins is considered the foremost American portrait painte...

arrhythmia

(Encyclopedia)arrhythmia ārĭᵺˈmēə [key], disturbance in the rate or rhythm of the heartbeat. Various arrhythmias can be symptoms of serious heart disorders; however, they are usually of no medical significan...

defibrillator

(Encyclopedia)defibrillator, device that delivers an electrical shock to the heart in order to stop certain forms of rapid heart rhythm disturbances (arrhythmias). The shock changes a fibrillation to an organized r...

infarction

(Encyclopedia)infarction, blockage of blood circulation to a localized area or organ of the body resulting in tissue death. Infarctions commonly occur in the spleen, kidney, lungs, brain, and heart. The acute emerg...

rheumatic fever

(Encyclopedia)rheumatic fever ro͞omătˈĭk [key], systemic inflammatory disease, extremely variable in its manifestation, severity, duration, and aftereffects. It is frequently followed by serious heart disease, ...

Cournand, André Frederic

(Encyclopedia)Cournand, André Frederic ko͞orˈnănd [key], 1895–1988, American physician and physiologist, b. France, B.A. Sorbonne, 1913, M.D. Univ. of Paris, 1930. He emigrated to the United States in 1930 an...

Bartholin

(Encyclopedia)Bartholin bärˈtōlēn [key], renowned Scandinavian family. Kaspar Bartholin, 1585–1629, b. Sweden, was a Danish physician. He was professor of medicine and later of theology at the Univ. of Copenh...