epidural hematoma
Between the skull and dura
Change occurs over time, chronic in nature. Is often mistaken for dementia.
subdural
midline shift; crescent moon shape between the dura and arachnoid
Acute onset
C/L hemiparesis
May develope epilepsy
subarachnoid
between arachnoid and pia; unable to ID ventricles.
bleeding in the brain
Worse prognosis (death)
All gray, no black (ventricles)
Transient Ischemic attack
Temporary period of symptoms from decreased blood supply to the brain.
May last for 44 hrs or less.
Can lead to CVA or MI