A 5-month old child rushed into hospital with complaint of colicky pain, bilious vomiting and red current jelly like appearance of stools. On examination, these was sausage shaped mass in right lumbar region. Which of the following is used as both diagnostic and therapeutic?

Intussusception Most common cause of intestinal obstruction in children Clinical features At time of attack child cries a lot, pulls legs towards abdomen Colicky pain Bilious vomiting In between attacks, patient is normal Small amount of stools with blood (Red current jelly appearance) Investigation and treatment Diagnostic + therapeutic - Enema (air > barium) Enema creates pressure by which there will be reduction of bowel back to normal.