Reynolds' pentad

Reynolds' pentad
Differential diagnosisobstructive ascending cholangitis

Reynolds' pentad is a collection of signs and symptoms consistent with obstructive ascending cholangitis, a serious infection of the biliary tract. It is a combination of Charcot's triad (right upper quadrant pain, jaundice, and fever) with shock (low blood pressure, tachycardia) and an altered mental status. Sometimes the two additional signs are listed simply as low blood pressure and confusion.