Edmund Biernacki

{{short description|Polish physician}}

File:Edmund Biernacki foto (cropped).jpg

Edmund Faustyn Biernacki (19 December 1866 in Opoczno – 29 December 1911 in Lwów) was a Polish physician.{{cite web|title=Edmund Faustyn Biernacki|url=http://www.whonamedit.com/doctor.cfm/2783.html|work=Whonamedit?|publisher=Ole Daniel Enersen|accessdate=31 March 2013|author=Zbigniew Gutkiewicz}}

Biernacki was the first one to note a relationship between the sedimentation rate of red blood cells in a human blood sample and the general condition of the organism. This method, known as the Biernacki Reaction, is used worldwide to assess erythrocyte sedimentation rate (ESR), which is one of the major blood tests.{{cite web|title=Biernacki's test|url=http://www.whonamedit.com/synd.cfm/3352.html|work=Whonamedit?|publisher=Ole Daniel Enersen|accessdate=31 March 2013}}