Hi my 9yo son Has HIE and is on a vent with a trach, he has a Hx of febrrile seizures for about 4 yrs, he has been having epiosodes where his tongue turns black and his body shakes and he stares off into space more than usaul, it isn t like hisnormal seizures, they have been under good control latlely, but it seems like a seizures, I m going to call his neurologist on Monday but worried in the meantime.