Charcot's triad

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Charcot’s triad is an eponym referring to two sets of clinical features: one for acute cholangitis or, less commonly, a second set for multiple sclerosis. It is named after Jean-Martin Charcot (1825–1893),[1] a French neurologist who first described the combination of signs and symptoms as they relate to these two diseases.

Acute cholangitis

Main articles: Charcot's cholangitis triad and Ascending cholangitis

Most commonly Charcot’s triad is used with regard to ascending cholangitis. Definitions commonly describe three common signs and symptoms: right upper quadrant pain, jaundice, and fever.[1]

Related to this description is Reynolds' pentad. Pentad means 'group of five' and includes the additional two signs of:

  • Hypotension
  • Confusion

Multiple sclerosis

Main articles: Charcot's neurologic triad and Multiple sclerosis

Charcot described a triad describing some of the clinical signs of multiple sclerosis: nystagmus, intention tremor, and dysarthria.[2] These signs are, however, not considered to be pathognomonic. This triad is sometimes referred to as 'Charcot's triad 1' or as 'Charcot's neurologic triad' to differentiate it from the more commonly used Charcot's triad of acute cholangitis.

References

  1. ↑ 1.0 1.1 Mulholland, Michael W.; Henry A. Pitt, Steven A. Ahrendt, Attila Nakeeb (2011). "Calculous biliary disease (Ch. 60)". Greenfield's Surgery Scientific Principles and Practice (Fifth ed.). Lippincott Williams & Wilkins. pp. 960–980 [973]. ISBN 1-60547-355-3. 
  2. ↑ "Who Named It". Retrieved 22 May 2012. 


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