Unilateral EEG sweat artifacts in a patient of brainstem hemorrhage with central Horner's syndrome

Abstract

We present an interesting EEG finding of persistent unilateral sweat artifacts in a 47 years old male patient with right hemiplegia secondary to left thalamic bleed with extension of hemorrhage into the left internal capsule, the left midbrain and ventricles. The EEG was done for altered sensorium. It showed unilateral (right sided) sweat artifacts throughout the EEG recording. The anhydrosis on left side of the face was due to left sided Horner's syndrome because of involvement of first order neurons in the left midbrain. This EEG finding is highlighted because of it being relatively less common but interesting finding.

Keywords

Sweat Artifact - Horner Syndrome - EEG artifact

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