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Detection of Migrainous Infarction with Formal Visual Field Testing: A Case Report
William Bylund1, Ross Patrick2, Ann Macdonald3
1Naval Hospital Okinawa, Department of Emergency Medicine, Okinawa, Japan.
Introduction:
Cerebrovascular accidents (CVA) of the posterior circulation are a rare complication of migraine, and present with atypical CVA symptomatology.
Case Report:
A 49-year-old-male presented with complaint of persistent visual aura and resolved mild cephalgia. His exam corroborated his reported incomplete left inferior quadrantanopia, and was confirmed by immediate formal optometry evaluation. Occipital CVA was confirmed on admission.
Conclusion:
Migrainous strokes of posterior circulation should be considered as a potential diagnosis in any headache patient with persistent visual aura. This case suggests that incorporation of formal visual field testing in the emergent setting can shorten the time required for diagnosis in certain circumstances.
