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Table 1 Interpretation of the HINTS exam

From: Usage of the HINTS exam and neuroimaging in the assessment of peripheral vertigo in the emergency department

HINTS exam component

Peripheral Vertigo

Central vertigo

Head Impulse Test (HIT)

Loss of eye fixation with head impulse; “positive” or “abnormal”

Intact vestibulo-ocular reflex; “negative” or “normal”

Nystagmus (N)

None or horizontal unidirectional

Vertical, rotatory, or horizontal bidirectional

Test of Skew (TS)

No skew; “negative”

Skew; “positive”