Reynolds' pentad

English Etymology Named after surgeon Benedict Reynolds, who described it (along with Everett Dargan) in 1959. Proper noun A collection of signs and symptoms consistent with obstructive ascending cholangitis, a serious infection of the biliary tract. It combines Charcot's cholangitis triad (right upper quadrant pain, jaundice, and fever) with shock (low blood pressure, tachycardia) and an altered mental state. en eponyms