😳 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

87K views · 1.7K reactions | This new dance craze, the "Social Shake," is China's answer to Korea's Gangnam Style or America's Harlem Shake. It has become an online sensation, with people posting videos of their combinations of head-bobbing, knee-swaying and hip-thrusting dance movements. Enjoy this compilation of some viral Social Shakes in China. | China Plus Culture | Facebook