Head impulse (thrust)Central · refer

Head impulse — normal

A normal impulse in continuous vertigo is the danger sign.

Head impulse (thrust)Live

The eyes stay locked on the target through the thrust, with no catch-up saccade. Reassuring in a well patient — but in someone with acute continuous vertigo who cannot walk, a NORMAL impulse is the worrying, central sign.

Source: HINTS exam (Kattah 2009).

Practice this in the trainerPlay today’s case

Other signs

Up-beating torsional

Dix-Hallpike

Horizontal direction-changing

Supine roll test

Horizontal apogeotropic

Supine roll test

Stylised teaching animations authored by NeuroDash. Not real-patient recordings, not board-certified, and not reviewed by an outside specialist. Educational only — not medical advice or a diagnosis.