question: Today,Fell hit back of head  n heard it thump, and had neuro surg 20 years ago for scizenchepaly right side temporal lobe seizures no headaches or bruising to headtodaybut to ankle ..is it necessary to see dr. For MRI or cat scan..no residual problems to head, yet hit head w stormdoor in sept n no bleed. Because was in the area of neuro surg..don't want to needlessly go to e.r. Being no headaches, swelling,, bruising,etc.although I have high bp, n stents in heart. What would you reccomend?