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aura (prodrome)

The subjective sensation or phenomenon that precedes & heralds the onset of a paroxysmal event (deja vu). Etiology: 1) epilepsy (seizure) 2) migraine 3) syncope Clinical manifestations: - epileptic seizure aura variable, < 1 minute - migraine aura of variable length, 15-30 minutes - migraine prodrome is the earliest phase of a migraine preceding headache onset, characterised by non-aura symptoms (see migraine) - syncope aura - light-headedness, sweating

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References

  1. Medical Knowledge Self Assessment Program (MKSAP) 16 American College of Physicians, Philadelphia 2012