The History and Development of the Stethoscope
Origins of the Early PhonendoscopeThe first incarnation of the phonendoscope was created in the early 19th century by French physician René Laennec. In 1816, Laennec was examining a young woman but found it inappropriate to place his ear directly on her chest. He rolled up a thin page from a notebook and listened through it, and found that body sounds were louder and clearer. This proved...
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