few wks ago my head felt like something burst inside. immediately hatd headaches. this happened during the night. got up to go to the bathroom, almost fell a few times and needed assistance like holding on to the walls etc this continued for the rest of the night and most of the morning. same thing happened a few wks later. went to er and had chest xray, ct scan, ekg blood work and all turned out neg,,,,,,,,recommended neurologist for mri. is this something I should be concerned with? thanks