Miller Fisher Syndrome Presenting to a Rural South Dakota Hospital.

This report describes a rare case of an 87-year-old woman presenting to a rural emergency department with ataxia. Throughout her admission, she developed areflexia and ophthalmoplegia consistent with a diagnosis of Miller Fisher syndrome. The patient underwent a rapid recovery after receiving treatment with intravenous immunoglobulin (IVIg) for a duration of five days and a two-month period of outpatient physical therapy.