A 10-month old child has a 1-2 day history of severe abdomi…

 A 10-month old child has a 1-2 day history of severe abdominal pain that mother describes as intermittent and cramping. Mother states the child has also had non-bilious vomiting and has observed the child scream and draw up legs during pain episodes. Between the episodes, patient appears lethargic. The nurse practitioner notes a small amount of blood, mucus stool in the diaper which looks like currant jelly. What is the most likely diagnosis?