Case Report Bilateral Intracranial Vertebral Artery Stenosis Presenting as Recurrent Prolonged Presyncopal Episodes

Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Amongst various mechanisms of presyncopal events, posterior circulation disease needs to be considered. This particular mechanism has been underrecognized. We describe a case of a 76-year-old patient with recurrent posterior circulation TIAs, presenting as recurrent prolonged presyncopal events. 1. Background 20 % of all ischemic strokes occur in the posterior circulation, and these strokes may have varied presentation [1]. Poste-rior circulation ischemia rarely causes only one symptom but rather produces a collection of symptoms and signs, depending on which area is ischemic [2]. Symptoms may range from decreased level of consciousness to coma, often associated with signs of long tract and multiple cranial nerve involvement. The commonest clinical pattern in patients with bilatera