Stethoscope
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In medicine and the physical examination, stethoscopes are "instruments intended to detect and study sound produced by the heart, lungs, or other parts of the body."[1] Stethoscopes may have electronic amplification.
They were developed by Laennec in 1816.[2]
References
- ↑ Anonymous (2025), Stethoscope (English). Medical Subject Headings. U.S. National Library of Medicine.
- ↑ Walker HK (1990). “The Origins of the History and Physical Examination”, Walker HK, Hall WD, Hurst JW: Clinical methods: the history, physical, and laboratory examinations, 3rd. London: Butterworths. ISBN 0-409-90077-X.