Natural history of TIA like presentation of migraine

Migraine is a common disorder with estimated age adjusted prevalence of 19089 per 100000 (https://gntem3.shinyapps.io/msglobal/). It is more common in women than men. Migraine can be associated with presentations to the emergency department and in some cases can be mistaken for TIA or stroke. In earlier works from our group, it accounts for one-third of TIA mimics. The natural history of this presentation of migraine is not well understood. At Monash Health, we run a large TIA clinic covering a catchment that is one-third the size of Melbourne. These patients are well characterised with modern imaging at the time of their presentation and at follow up in the clinics. This setting provides an opportunity to study this disorder.