In Rh Isoimmunization, exchange transfusion is indicated in all of the following except:
d. Hydrops fetalis(Ref: Nelson's 20/e p 871-879, Ghai 8/e p 172-176)Indications of Exchange transfusion in a neonate with Rh incompatibility are:Cord hemoglobin <10g/dL or Cord bilirubin >5mg/dLDirect coomb's test positive & H/o kernicterus or severe erythroblastosis in a sibling.
Cord blood hemoglobin < 10 g/dl
Cord bilirubin is more than 5 mg/dl
DCT positive & History of previous sibling affected
Hydrops fetalis
New Born Infants