44 y/o male 95kg (212 pounds, 5 11 (1.8 m) I have severe memory problems both long and short term, problem concentrating, constant lightheaded, constant dizzy feeling, problems walking. Sudden onset after an emergency visit diagnosed with Transient Global Amnesia (had stroke symptoms).... MRI showed MRI brain: 1. No evidence of acute infarction, hemorrhage, or mass. 2. Few scattered nonspecific punctate T2 hyperintensities in the periventricular and subcortical white matter.