Conversation: The conversation between human and AI assistant.
[|Human|] I am looking for information about myasthenia gravis and pneumonia.  My mother had a tymectomy with thymoma, she was find for 3 weeks and then she started having respiratory problems, pleural effusion, and is on a ventilator today.  I was looking for information
[|AI|]  Hi, Welcome to Chat Doctor, Coming back to your query, regarding her present condition things you have mention is not sufficient to come any conclusion and guide in the following case. Now with information if we try to look you have mention regarding Myasthenia Graves(MG), Thomas, Pneumonia and Pleural effusion and patient on ventilator now. So it seems she had developed MG due to Thomas which is treated, and now she developed Pneumonia and Pleural effusion, and now she is on ventilator so its basically Health care associated Pneumonia for which it would be worthwhile to collect secretion from oral tube and send it for Culture to look for cause of pneumonia and treat the same and also continue symptomatic treatment if required for maintaining Blood pressure and Heart rate and Urine output for now.