Born 17 Feb 1781; died 13 Aug 1826 at age 45.

Born 17 Feb 1781; died 13 Aug 1826 at age 45.

René Theophile Hyacinthe Laënnec was a French #physician who invented the #stethoscope and is generally considered the father of #chest medicine.

Using a foot-long wooden cylinder that he placed on the chests of his patients, he was able to hear the various #sounds made by the #lungs and #heart. For three years he studied patients' chest sounds and correlated them with the #diseases found in autopsy. He described his methods and findings in the classic De l'auscultation médiate (1819).

Laënnec made numerous other contributions to the literature of #respiratory and heart disease.

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