I had an embolism on the right side of the base of my scull am I headed for another embo?

54yrs female.in 2006 had an embolism on the right side of the base of my scull .im under a lot of stress and have been getting pain there again like something is there ,,spats of dizziness..bit of an ear thing goin on like its blocked,,headaches on one side,,am i headed for another embo? oh..i also suffer from P.T.S.D.