i was recently in the hosp for fungal pneumonia. i was on a vent with a propofol and fentanyl drips for 8 days. i had a gran mal seizure and stopped breathing and had to be resuscitated .ihad a mri that the results were PRES involving the occipital lobes bilaterally , intensity of both frontal parietal lobes, hyperintensity in the right and left central pons. what does all of this mean