<s>[INST] 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. [/INST] Hello, Thanks for choosing Chat Doctor for posting your query. I have gone through your question in detail and I can understand what you are going through. It is cause of the trauma to the tongue and internal bleed. Hope I am able to answer your concerns. If you have any further query, I would be glad to help you. In future if you wish to contact me directly, you can use the below-mentioned link:bit.ly/ Chat Doctor.  </s>