Stethoscope

From LoveToKnow 1911

Medical warning! This article is from the 1911 Encyclopaedia Britannica. Medical science has made many leaps forward since it has been written. This is not a site for medical advice, when you need information on a medical condition, consult a professional instead.

STETHOSCOPE (Gr. crT00s, chest, and olcolr€Zv, to look, examine), a medical instrument used in auscultation. The single stethoscope is a straight wooden or metal tube with a flattened bell, the surface of which is usually covered with ivory or bone at the end which is placed against the body of the patient, and a small cup at the other to fit the ear of the observer. In the "binaural" stethoscope, which has the advantage of flexibility, the tube is divided above the bell into two flexible tubes which lead to both ears.

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