😳 Do you use the (horizontal) head shake test, also known as head shaking nystagmus? 🧰 How to perform: 1. Patient is seated. 2. With the head tilted 30° forward, the clinician oscillates the patient’s head side-to-side (2 Hz speed) for about 20 seconds while fixation is removed by infrared video goggles. 3. Stop moving the head and ensure that the patient’s eyes are open to observe any nystagmus. ✅ A normal finding is 3 beats of horizontal nystagmus or less (often no nystagmus is present). ❌ A
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😳 Do you use the (horizontal) head shake test, also known as head shaking nystagmus? 🧰 How to perform: 1. Patient is seated. 2. With the head tilted 30° forward, the clinician oscillates the patient’s head side-to-side (2 Hz speed) for about 20 seconds while fixation is removed by infrared video goggles. 3. Stop moving the head and ensure that the patient’s eyes are open to observe any nystagmus. ✅ A normal finding is 3 beats of horizontal nystagmus or less (often no nystagmus is present). ❌ A
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