HIDA scan, in this case, was performed to differentiate between the two conditions : neonatal hepatitis
and extra-hepatic biliary obstruction(EHBA).
Neonatal hepatitis doesn't require surgery, while the other requires surgery. If HIDA shows tracer excretion into the intestines, it rules out EHBA. On the contrary, if it doesn't show tracer activity in the intestine, it can be because of both the conditions.
) is thought to liquify the bile secreted and improve the drainage
in to the intestines. It is used both as treatment and also before HIDA scan (atleast 5 days before HIDA scan) to improve the clearance of bile into the intestines.
If HIDA scan showed tracer activity into the intestines, you can continue giving UDILIV. LFTs are deranged because there is damage to the liver
cells because of inflammation.