Reynolds pentad is a collection of signs and symptoms suggesting the diagnosis obstructive ascending cholangitis, a serious infection of the biliary system. It is a combination of Charcot's triad (jaundice, fever, and right upper quadrant pain) with shock and an altered mental status. Or sometimes the two additional signs are listed simply as low blood pressure and confusion.
It was named after the surgeon, B.M. Reynolds, who described it in 1959 along with Dr. Everett L. Dargan.
- Reynolds BM, Dargan EL (August 1959). "Acute obstructive cholangitis; a distinct clinical syndrome". Ann Surg. 150 (2): 299–303. doi:10.1097/00000658-195908000-00013. PMC . PMID 13670595.
- Teo, Amir H. Sam, James T.H. (2010). Rapid medicine (2nd ed.). Chichester, West Sussex, UK: Wiley-Blackwell. ISBN 1405183233.
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