Stethoscope

Stethoscope From Wikipedia, the free encyclopedia Modern stethoscope. The stethoscope (from Grecian ???????????, from ??????, stéthos - chest and ?????, skopé - examination) is an acoustic medical examination maneuver for auscultation, or take heeding to the internal sounds of an beast body. It is actually much control to beware to lung and heart sounds. It is withal apply to listen to intestines and channel flow in arteries and veins. In combination with a sphygmomanometer, it is unremarkably used for measurements of blood pressure. less(prenominal) commonly, mechanics stethoscopes are used to listen to internal sounds made by machines, such(prenominal) as canvass a malfunctioning locomote engine by auditory modality to the sounds of its internal parts. Stethoscopes can in all case be used to cop scientific vacuum domiciliate for leaks, and for various separate shortsighted acoustic monitoring tasks. A stethoscope that intensifies auscultatory sounds is called phonendoscope. limit [hide] 1 History 2 Current practice 3 Types of stethoscopes 3.1 Acoustic 3.2 Electronic 3.2.1 Recording stethoscopes 3.3 foetal stethoscope 4 Stethoscope earpieces 5 Maintenance 6 put one across also 7 References 8 impertinent links [edit]History Early stethoscopes.

The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades infirmary in Paris.[1] It consisted of a wooden tube and was monaural. His device was quasi(prenominal) to the common ear trumpet, a historical chassis of listening aid; indeed, his invention was around indistinguishable in anatomical structure and function from the trumpet, which was commonly called a microphone. The prime(prenominal) malleable stethoscope of any sort may keep back been a binaural cock with articulated joints not very all the way expound in 1829.[2] In 1840, Golding poultry described a stethoscope he had been using with a flexible tube. Bird was the starting to proclaim a description of such a stethoscope provided he notable in his paper the introductory reality of an earlier digit (which he thought was of little utility) which he...If you emergency to get a full essay, order it on our website: Orderessay

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