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stethoscope

(Encyclopedia)stethoscope stĕthˈəskōpˌ [key] [Gr.,=chest viewer], instrument that enables the physican to hear the sounds made by the heart, the lungs, and various other organs. The earliest stethoscope, devis...

Laënnec, René Théophile Hyacinthe

(Encyclopedia)Laënnec, René Théophile Hyacinthe rənāˈ tāôfēlˈ yäsaNtˈ läānĕkˈ [key], 1781–1826, French physician. While connected with the Necker Hospital in Paris he invented the stethoscope, whi...

diagnosis

(Encyclopedia)diagnosis, determination of the nature of a disease or ailment. A clinical diagnosis is based on the medical history and physical examination of the patient: it may be confirmed with X-Rays, CAT Scans...

heart, in anatomy

(Encyclopedia)CE5 Cross section of heart, with arrows indicating direction of blood flow heart, muscular organ that pumps blood to all parts of the body. The rhythmic beating of the heart is a ceaseless activit...

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