<prompt> Red current jelly stool in an infant is characteristic ofAcute gastroenteritisRectal pilesIntussusceptionFisure-in-ano  <response>: Initially, the passage of stool may be normal, whereas, later, blood and mucus are evacuated - the redcurrant jelly stool.Vomiting may or may not occur at the outset but becomes conspicuous and bile-stained with time. Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1194 