CONJUGATED HYPERBILIRUBINEMIA IN A NEWBORN-INFANT AFTER MATERNAL (TRANSPLACENTAL) TREATMENT WITH FLECAINIDE ACETATE FOR FETAL TACHYCARDIA AND FETAL HYDROPS

An infant with intrauterine supraventricular tachycardia and fetal hyd rops, successfully treated with administration of flecainide acetate t o the mother had conjugated hyperbilirubinemia shortly after birth. An extensive evaluation failed to disclose a known cause. We believe tha t in utero exposure to flecainide acetate resulted in conjugated hyper bilirubinemia in this infant.