Intussusception
Intussusceptum into Intussuscepiens
usually ileo-colic
Presentation
3-36mo
Paroxysms of severe colicky umbilical pain every ~20min
Lethargic and pale
Diarrhoea (early <12h)
Haematochezia or redcurrent jelly (late ie >12h)
Vomiting
Sausage mass if ileo-colic usually in RUQ
Ix
US: target sign
(barium enema only diagnoses those involving the colon)
Rx
AXR to exclude perforation prior to enema
If stable: Air enema
If unstable (ie peritonitic) or failed: OT
Meckel's
HSP (usually ileo-ileo)
Rotavirus (including vaccine)
Parechovirus