Widal, Fernand-Isidore


Widal, Fernand-Isidore

▪ French physician and bacteriologist
born March 9, 1862, Dellys, Alg.
died Jan. 14, 1929, Paris

      French physician and bacteriologist who made important contributions to the diagnosis, treatment, and prevention of many diseases.

      In 1896 Widal developed a procedure for diagnosing typhoid fever based on the fact that antibodies in the blood of an infected individual cause the bacteria to bind together into clumps (the Widal reaction). A professor of pathology and internal medicine at the University of Paris (1911–29), he also recognized (1906) the body's retention of sodium chloride (salt) as a feature of nephritis (inflammation of the kidney) and cardiac edema (accumulation of excessive fluid in tissues as a result of heart disease), recommending salt deprivation in the treatment of both diseases. He demonstrated the increased fragility of red blood cells in cases of hemolytic jaundice and, with the French physician Georges Hayem, described the acquired form of the disease (the Hayem–Widal type, 1907). During World War I, Widal prepared an antityphoid–paratyphoid vaccine that appreciably reduced typhoid contagion among the allied armies.

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Universalium. 2010.

Look at other dictionaries:

  • Fernand Widal — Fernand Widal, né le 9 mars 1862 à Dellys (Algérie) et mort le 14 janvier 1929 à Paris, est un médecin et bactériologiste français qui s est fait connaître par ses travaux sur le diagnostic de la fièvre typhoïde, la… …   Wikipédia en Français

  • Fernand Widal — Georges Fernand Isidore Widal (* 9. März 1862 in Dellys (Algerien); † 14. Januar 1929 in Paris) war ein französischer Mediziner, Bakteriologe und Pathologe. Leben Fernand Widal war ab 1911 Professor für Pathologie und ab 1918 für medizinische… …   Deutsch Wikipedia

  • Widal — Georges Fernand Isidore Widal (* 9. März 1862 in Dellys (Algerien); † 14. Januar 1929 in Paris) war ein französischer Mediziner, Bakteriologe und Pathologe. Widal war ab 1911 Professor für Pathologie und ab 1918 für medizinische Klinik in Paris.… …   Deutsch Wikipedia

  • Widal reaction — Wi·dal reaction also Wi·dal s reaction vē däl(z) n a specific reaction consisting in agglutination of typhoid bacilli or other salmonellas when mixed with serum from a patient having typhoid fever or other salmonella infection and constituting a… …   Medical dictionary

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