Case Report

Acute Confusional Migraine: Unusual Great Masquerader—Case Report and Literature Review

Table 2

Proposed criteria for the diagnosis of acute confusional migraine (By Farooqi et al. [9]).

At least one attack, fulfilling criteria A to F

A: at least one of the following: decreased attention/altered awareness/impaired cognition
B: at least one of the following: agitation or combativeness/perception disturbances/slowing or FRIDA pattern on EEG resolving within less than a week/aura lasting less than an hour
C: complete resolution in less than 24 hours or after sleep, additionally partial or complete amnesia of the event
D: normal neurological exam following the attack (no persistence of acquired neurologic deficit)
E: at least one of the following: personal history of migraine or family history of migraine or headache occurring before/during or after the confusion.
F: not attributed to another disorder (medical disorder or intoxication).

Adapted from Farooqi et al [9].