The Video Head Impulse Test (vHIT)
In four chapters this module covers the physiological principles of the head impulse test and how to perform the test in practice with video goggles. The course is device-independent; wherever controls or cleaning agents become specific, they are marked as examples taken from Merlin.
After the module you will be able to describe how a semicircular canal senses a head rotation and how the vestibulo-ocular reflex keeps the visual field stable; you will know the three test planes lateral, LARP and RALP; you will be able to prepare the test procedure and deliver the head impulses correctly; you will recognize artifacts and insufficient measurement quality; and you will know the contraindications, the hygiene requirements and the boundary between taking a measurement and making a medical diagnosis.
Important note: This training does not replace the instructions for use. The current instructions for use always apply; they are available online at hno.services in the knowledge base.
| Responsible | Vera Spöttl-Zeisberg |
|---|---|
| Last Update | 09/10/2026 |
| Completion Time | 1 hour 9 minutes |
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1. Physiological Principles3Lessons · 23 min
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Chapter 1 – Physiological Principles
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Knowledge check 1 – Physiological Principles10 xp
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2. From the head impulse to the measured value2Lessons · 12 min
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Chapter 2 – From the head impulse to the measured value
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Knowledge check 2 – From the head impulse to the measured value10 xp
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3. Performing the examination2Lessons · 12 min
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Chapter 3 – Performing the examination
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Knowledge check 3 – Performing the examination10 xp
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4. Quality, errors and care2Lessons · 12 min
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Chapter 4 – Quality, errors and care
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Knowledge check 4 – Quality, errors and care10 xp
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5. Additional material and reference4Lessons ·
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References and further reading
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6. Final exam and certificate1Lessons · 10 min
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Final exam with certificate
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