Edmund Biernacki

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Polish physician and scientist



Edmund Biernacki

Edmund Faustyn Biernacki (19 December 1866 – 29 December 1911) was a Polish physician and scientist known for his pioneering work in hematology. He is best remembered for discovering the erythrocyte sedimentation rate (ESR), a test that remains widely used in medical diagnostics today.

Early Life and Education[edit | edit source]

Edmund Biernacki was born in Opatów, a town in the Kingdom of Poland, which was then part of the Russian Empire. He was the son of a physician, which influenced his early interest in medicine. Biernacki pursued his medical studies at the University of Warsaw, where he graduated with a degree in medicine in 1890.

Career[edit | edit source]

After completing his education, Biernacki worked in various hospitals in Warsaw, gaining experience in internal medicine. He later moved to Lviv, where he became a professor at the University of Lviv. His work focused on hematology and internal medicine, and he was particularly interested in the diagnostic potential of blood tests.

Discovery of the Erythrocyte Sedimentation Rate[edit | edit source]

Biernacki's most significant contribution to medicine was his discovery of the erythrocyte sedimentation rate (ESR) in 1897. He observed that the rate at which red blood cells settle in a tube of blood could be an indicator of disease. This simple test, which measures the rate of sedimentation of erythrocytes, is used to detect inflammation and monitor the progress of diseases such as rheumatoid arthritis and tuberculosis.

Legacy[edit | edit source]

Biernacki's work laid the foundation for modern hematology and diagnostic medicine. The ESR test, sometimes referred to as the "Biernacki Reaction," remains a standard procedure in medical laboratories worldwide. Despite the significance of his discovery, Biernacki's contributions were not widely recognized during his lifetime, and he did not receive the acclaim he deserved.

Death[edit | edit source]

Edmund Biernacki died on 29 December 1911 in Lviv. His work continues to influence medical diagnostics, and he is remembered as a pioneer in the field of hematology.

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