NOVEL - Daniel Gold Collection
 
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1 + HIT, + Skew, Unidirectional Nystagmus: Central Acute Vestibular Syndrome Due to Wallenberg SyndromeThis is a 45-year-old woman who presented to the ED with acute prolonged vertigo and vertical diplopia. She was seen as an outpatient 1 month after her ED visit, and double vision and balance were improving by that time. Her HINTS testing showed the following (seen in the video): 1) Head Impulse - A...Image/MovingImage
2 A 'Canal Jam' During Head Impulse Testing in a Patient With Horizontal Canal BPPVA 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 A Comparison of Nystagmus and Saccadic Intrusions/OscillationsNystagmus can be classified into pendular and jerk waveforms, where both are generated by a slow, pathologic phase. Corrective phase (the position reset mechanism) differs. In pendular nystagmus, the eyes move back and forth with about the same velocity and amplitude, similar to that of a pendulum...Image
4 A flowchart approach to nystagmus/intrusionsIn tandem with the flowchart, the following added clues should be used to help with etiology: i) vector [horizontal, vertical, torsional]; ii) binocular or monocular; iii) spontaneous or provoked [e.g., BPPV]; iv) change with monocular viewing or gaze direction; v) rest of history, neurologic, and o...Image/StillImage
5 Abnormal Visually-Enhanced VOR in Cerebellar Ataxia, Neuropathy, Vestibular Areflexia Syndrome (CANVAS)A 67 year old woman presented with 1 year of progressive numbness, gait instability, and oscillopsia when walking or with head movements. Examination showed excessive square-wave jerks, bilateral horizontal gaze-evoked nystagmus, impairment of the visually-enhanced vestibular ocular reflex (vVOR - s...Image/MovingImage
6 Acquired Elliptical Pendular Nystagmus Suppressed by Blinks and Saccades𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 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
7 Acute Vestibular Neuritis With Unidirectional Nystagmus and Abnormal Video Head Impulse Test𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 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 Acute Vestibular Syndrome with Ocular Tilt Reaction Due to Bacterial LabyrinthitisThis is a patient who initially presented with the acute vestibular syndrome (AVS, e.g., acute prolonged vertigo, spontaneous nystagmus) and right sided hearing loss, and was diagnosed with bacterial labyrinthritis. Her HINTS (Head Impulse, Nystagmus, Test of Skew) testing indicated a central etiolo...Image/MovingImage
9 Alternating Hypertropias - Bilateral 4th Nerve Palsies and Alternating Skew Deviation𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Seen here are two patients with alternating hypertropias. The first is a 70-year-old woman with a diagnosis of cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS). In the video, both spontaneous downbeat...Image/MovingImage
10 Anterior Canal BPPV𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Although the anterior canal (AC) variant of benign paroxysmal positional vertigo (BPPV) is rare, mainly owing to its orientation relative to gravity (which makes otoconial debris much less likely to enter it), it can occu...Image/MovingImage
11 Anti-GAD Associated Cerebellopathy and Bilateral VestibulopathyThis is a 70-year-old woman with the subacute onset of severe imbalance and dizziness. On her initial examination, she had prominent gaze-evoked nystagmus and bilateral vestibular loss. Smooth pursuit was saccadic, although her vestibulo-ocular reflex (VOR) suppression was much smoother. Usually pur...Image/MovingImage
12 Assessing Utricle Pathway Function and the Effects of Convergence on Nystagmus in Acute Vestibular NeuritisA 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
13 Atypical Ocular Motor Features (Gaze-evoked Nystagmus) in PSPThis is a 70-yo-woman who met clinical and radiologic diagnostic criteria for progressive supranuclear palsy (PSP). Typical ocular motor features of PSP include square wave jerks, hypometric saccades, choppy pursuit/VORS, impaired down>upgaze (supranuclear in origin) and impaired down>upward saccade...Image/MovingImage
14 BBQ Roll for Right Horizontal Canal BPPV, Canalithiasis (Geotropic Nystagmus)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...Text
15 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
16 Bilateral Horizontal Gaze Palsy and Oculopalatal Tremor Due to Pontine HemorrhageThis 70-yo-woman experienced headache and diplopia and was found to have a hemorrhage centrally within the dorsal pons. Months after the onset, the patient was seen in clinic and had no horizontal eye movements (pursuit, saccades, VOR) in either eye, suggestive of bilateral nuclear 6th nerve palsies...Image/MovingImage
17 Bilateral Vestibular Loss With Gaze-Evoked Nystagmus and Saccadic Visually Enhanced VORThis 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
18 Bow and Lean TestThe 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...Text
19 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
20 Brandt-Daroff ExercisesBrandt-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 ...Text
21 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
22 Bruns Nystagmus (During Video-Oculography) Due to Vestibular SchwannomaA 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
23 Bruns Nystagmus Due to a Cerebellopontine Angle Tumor𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 15-yo-girl who experienced headache and imbalance leading to an MRI which showed a left sided cerebellopontine angle (CPA) tumor. Because of involvement of the left brainstem/cerebellum (e.g., dysfunction of the...Image/MovingImage
24 Central (Nuclear) 3rd Nerve PalsiesShown here are two patients with left sided midbrain pathology (hemorrhage and ischemia) which caused damage to the 3rd nucleus. Both of the patients have ipsilateral mydriasis, adduction, supra- and infraduction paresis. Ipsilateral>contralateral ptosis is also present, and localizes to the central...Image/MovingImage
25 Central Acute Vestibular Syndrome Due to Posterior Fossa HemorrhageThis is a patient presenting with the acute vestibular syndrome (AVS, e.g., acute prolonged vertigo, spontaneous nystagmus) whose HINTS (Head Impulse, Nystagmus, Test of Skew) testing indicated a central etiology based on negative (normal) head impulse testing (HIT). Nystagmus was unidirectional and...Image/MovingImage
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