甩头试验(Head Impulse Test, HIT)已成为评估前庭眼反射的金标准。它是使用高频自然的被动甩头刺激,客观测量头部和眼睛的运动,以评估前庭眼反射的增益,并快速鉴别和定位受损半规管的测试方法。因其发明人是Halmagyi教授,故又称Halmagyi’s Test。 甩头试验的两位发明...
Head Impulse TestHallpike TestMedical Progress
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The head impulse test as a predictor of videonystagmography caloric test lateralization according to the level of examiner experience: A prospective open-label study In such a situation, it will produce eye rotations at a speed similar to the head rotation but in an opposite direction. Influence...
juncture, occasion - an event that occurs at a critical time; "at such junctures he always had an impulse to leave"; "it was needed only on special occasions" 21. head - forward movement; "the ship made little headway against the gale" headway advance, progression, progress - a movement...
Head position and increased head velocity to optimize video head impulse test sensitivity. Seo YJ,Park YA,Kong TH,et al. European Archives of Oto Rhino Laryngology . 2016Seo YJ, Park YA, Kong TH, Bae MR, Kim SH. Head position and increased head velocity to optimize video head impulse ...
The video head impulse test (vHIT) is a new clinical test of dynamic SCC function that uses a high-speed digital video camera to record head and eye movement during and immediately after passive head rotations. The SYNAPSYS Inc. vHIT device measures the "canal deficit" (deviation in gaze)...
ObjectivesThis study aims to evaluate semicircular canal function using video head impulse test (vHIT) in patients with peripheral vestibular disorders without nystagmus.MethodsPatients who underwent vHIT were enrolled in this study, and the proportion ...
INTRODUCTION: Dix-Hallpike and roll test are two of the positional tests that provide information about posterior, anterior and lateral semicircular canals, especially when applied to patients with suspected benign paroxysmal positional vertigo (BPPV). Video head impulse test (vHIT) is a useful test...
juncture, occasion - an event that occurs at a critical time; "at such junctures he always had an impulse to leave"; "it was needed only on special occasions" 21. head - forward movement; "the ship made little headway against the gale" headway advance, progression, progress - a movement...