|
|
Title | Description | Type |
1 |
|
6th Nerve Palsy as Initial Presentation of Metastatic Lung Cancer | A video describing 6th nerve palsy as initial presentation of metastatic lung cancer. | Image/MovingImage |
2 |
|
A 'Canal Jam' During Head Impulse Testing in a Patient With Horizontal Canal BPPV | A 70-year-old man reported brief episodes of positional vertigo. Ten years prior, he had undergone gamma knife radiosurgery for a vestibular schwannoma at the left cerebellopontine angle. Video head impulse testing (vHIT) showed reduced gains and corrective saccades in the planes of the left horizon... | Image/MovingImage |
3 |
|
Abnormal Active Head Impulse Testing Recorded Asynchronously in Bilateral Vestibular Loss | This is a video of patient with the subacute onset of head movement-dependent oscillopsia due to bilateral vestibular loss (with obvious bilaterally abnormal head impulse test (HIT) at the bedside), in addition to central ocular motor signs including saccadic smooth pursuit and gaze-evoked nystagmus... | Image/MovingImage |
4 |
|
Abnormal Head Impulse Test in Vestibular Neuritis 1 Week After Onset | This is a 25-year-old woman who experienced the acute vestibular syndrome due to right-sided vestibular neuritis 1 week prior to this video. Left-beating nystagmus (LBN) was only noted in left gaze, but with fixation-removed, there was clear LBN in primary position that increased with head-shaking a... | Image/MovingImage |
5 |
|
Acquired Elliptical Pendular Nystagmus Suppressed by Blinks and Saccades | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 70-year-old man who experienced the gradual onset of oscillopsia over weeks about 3 months prior to this video recording. Examination demonstrated elliptical pendular nystagmus which was atypical for infantile n... | Image/MovingImage |
6 |
|
Active Head Impulse Test | Active head impulse test (HIT): instruct the patient to fix their eyes on the camera and turn their head 20o to the right/left, and then make a rapid movement toward the midline to align their head with the camera again, keeping their eyes fixed on the camera throughout. A simple instruction is to a... | Image/MovingImage |
7 |
|
Acute Vestibular Neuritis With Unidirectional Nystagmus and Abnormal Video Head Impulse Test | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is 45-year-old man who presented to the emergency department (ED) 2 days prior to this video recording with acute onset prolonged vertigo, nausea, head motion intolerance, unsteadiness and spontaneous nystagmus, cons... | Image/MovingImage |
8 |
|
The Affected-Ear-up 90 degree Maneuver (HC-Canalithiasis) (Video) | The Affected-Ear-up 90 degree Maneuver is used to treat horizontal canal-canalithaisis. 1. The patient starts in a supine position. 2. The patient rotates their head 90 degrees towards the unaffected side. 3. The patient sits up. | Image/MovingImage |
9 |
|
Apogeotropic and Downbeat Central Positional Nystagmus Provoked While Seated | This is a young man with intermittent complaints of positional vertigo. With Dix-Hallpike and roll testing, he had apogeotropic positional nystagmus (e.g., right beating nystagmus with the left ear down, and left beating nystagmus with the right ear down) in addition to strong downbeat nystagmus in... | Image/MovingImage |
10 |
|
Assessing Utricle Pathway Function and the Effects of Convergence on Nystagmus in Acute Vestibular Neuritis | A 35-year-old woman presented a few days after the onset of room-spinning vertigo. She denied diplopia, dysarthria, dysphagia, dysphonia, incoordination, numbness, and weakness. On examination, she had subtle spontaneous right-beat nystagmus (RBN). This nystagmus increased in amplitude and frequency... | Image/MovingImage |
11 |
|
BBQ Roll for Right Horizontal Canal BPPV, Canalithiasis (Geotropic Nystagmus) (Video) | The BBQ Roll/Lampert Maneuver has been shown to be an effective treatment and is supported by a level I classification study. 1. The patient starts in a supine position with the head positioned 30 degrees above the horizon. 2. While maintaining head elevation, the patient's head (or whole body) is r... | Image/MovingImage |
12 |
|
The Bedside Examination of the Ocular Motor System | A masterclass covering the bedside examination of the ocular motor system. | Image/MovingImage |
13 |
|
Bilateral INOs Due to Stroke | This is a 65-year-old man with multiple vascular risk factors who experienced the abrupt onset of diplopia 6 months prior to this video. MRI done within 24 hours of onset was unremarkable. Examination demonstrated subtle bilateral adduction lag with horizontal saccades. There was very mild abducting... | Image/MovingImage |
14 |
|
Bilateral riMLF Syndrome Causing Vertical Saccadic Palsy and Loss of Ipsitorsional Fast Phases | This is a 60-year-old man who developed fatigue and diabetes insipidus about 12 months prior to this video, and MRI demonstrated hypothalamic enhancement at that time. Nine months prior to this video, he gradually noticed that he was unable to look down. Work-up for ischemic, infectious, inflammator... | Image/MovingImage |
15 |
|
Bilateral Vestibular Loss With Gaze-Evoked Nystagmus and Saccadic Visually Enhanced VOR | This is 55-year-old man with the subacute onset of head movement-induced oscillopsia and dizziness. He had a history of psoriatic arthritis. He had not used medications known to be vestibulo-toxic such as gentamicin. ; Salient findings on his examination included 1) bilateral vestibular loss (BVL) d... | Image/MovingImage |
16 |
|
Bilaterally Abnormal Head Impulse Test | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This video is an example of bilaterally abnormal head impulse test (HIT) due to bilateral vestibular loss (BVL). Typical symptoms in BVL: head movement-induced dizziness and jumping vision for years with visual jumping/b... | Image/MovingImage |
17 |
|
Bow and Lean Test (Video) | The Bow and Lean Test is used to identify the affected side and is designed to be used in conjunction with or after the Supine Roll Test. Within this test a null point may exist where the nystagmus will extinguish because the cupula is in a gravity neutral position. As this test involves the patient... | Image/MovingImage |
18 |
|
Brandt-Daroff Exercises (Video) | Brandt-Daroff exercises are less effective than the Epley and the Semont maneuvers and are not shown to prevent recurrence [1-3]. Brandt-Daroff exercises may still be beneficial for habituation exercises and to reduce phobic responses to lying supine or side-lying after the resolution of BPPV. This ... | Image/MovingImage |
19 |
|
Bruns Nystagmus (During Video-Oculography) Due to Vestibular Schwannoma | A 25-year-old man with a history of right-sided hearing loss, headaches and imbalance was found to have a right vestibular schwannoma on MRI, and underwent a partial resection and radiotherapy. He denied symptoms of head movement dependent oscillopsia (i.e., suggestive of significant unilateral or b... | Image/MovingImage |
20 |
|
The Canalith Repositioning Maneuver/Epley Maneuver for Right Posterior Canal Benign Paroxysmal Positional Vertigo (Video) | Posterior canal (PC) accounts for 70-90% cases of BPPV [1-3] and resolves with canalith repositioning maneuvers 90% of the time [4-20]. The Epley maneuver is considered a gold-standard treatment, with class 1 evidence for use. | Image/MovingImage |
21 |
|
Central Positional Vertigo and Nystagmus in a Posterior Fossa Tumor | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 30-year old woman who presented with positional vertigo and vomiting following a concussion related to a car accident 3 months prior. She was initially diagnosed with posterior canal (PC) benign paroxysmal posit... | Image/MovingImage |
22 |
|
Central Vestibular Nystagmus in Anti-DPPX Encephalitis | This is a young woman who presented with oscillopsia due to spontaneous nystagmus in addition to gastrointestinal symptoms which led to the diagnosis of anti-DPP axis encephalitis. She was treated with rituximab, and experience gradual improvement over time. However, years after the onset, she con... | Image/MovingImage |
23 |
|
Centripetal Nystagmus Example | A 68-year-old female reported a 2-year history of progressive gait imbalance, falls, dizziness and vertical oscillopsia. She described that dizziness and oscillopsia were worst when looking down. There was no family history of ataxia. Composite gaze with fixation was recorded with video-oculography ... | Image/MovingImage |
24 |
|
Change in Pendular Nystagmus from Oculopalatal Tremor over a Four-year Period | This is a patient who developed oculopalatal tremor months following a pontine hemorrhage. Although it is not shown here, she also has palatal tremor. In the first video which was taken 1 year after her hemorrhage, a vertical-torsional pendular nystagmus can be seen, that is mildly dissociated giv... | Image/MovingImage |
25 |
|
Chronic Facial Nerve Palsy with Aberrant Regeneration | This is a 35-year-old woman who was diagnosed with right sided Bell's palsy six months prior. Contrast-enhanced MRI at that time was normal. This video demonstrates the phenomenon of aberrant regeneration (synkinesia) of the facial nerve. Due to aberrant regeneration, at rest the right palpebral fi... | Image/MovingImage |