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TitleDescriptionType
126 Kim Maneuver for Anterior Canal BPPV (Video)The Kim Maneuver for Anterior Canal can be used to treat individuals with anterior canal BPPV. 1. The patient's head is turned 45 degrees towards the unaffected side. 2. The patient transitions into a supine position with the head hanging 30 degrees below the horizon. 3. After two minutes, the head ...Image/MovingImage
127 The Kim Maneuver for Right Horizontal Cupulolithiasis (Video)The Kim Maneuver is used to treat horizontal canal cupulolithiasis cases where the otoconia may be located on either side of the cupula. 1. The patient begins in a supine position. 2. The patient's head is turned 135 degrees towards the affected side and oscillation is applied to the affected side f...Image/MovingImage
128 Latent Nystagmus and DVD in Infantile EsotropiaThis is a 20-year-old woman with infantile esotropia (s/p strabismus surgery as a child) who demonstrated latent nystagmus and presumed dissociated vertical deviation (DVD) OS, which are commonly seen with infantile esotropia (also inferior oblique overaction and monocular nasotemporal asymmetry to ...Image/MovingImage
129 Lateral Pontine Stroke Involving the Superior Vestibular Nucleus Causing Spontaneous Upbeat-torsional Nystagmus𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: A 65-year-old man presented to the emergency department with spontaneous vertigo and unsteadiness, and had was noted to have spontaneous upbeat nystagmus (UBN), also with a torsional component (top poles beating toward th...Image/MovingImage
130 Leukemic Leptomeningeal Carcinomatosis Causing 4th and 6th Nerve Palsies𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 55-yo-man with CML that recurred as AML. Diagonal diplopia developed, and on examination he was found to have a partial right 6th nerve palsy, in addition to a left hypertropia that increased in right gaze, down...Image/MovingImage
131 Li Maneuver for Geotropic Right HC-BPPV, Canalithiasis (Video)The Li maneuver is used to treat horizontal canal, canalithiasis. When compared to the Gufoni maneuver, the Li maneuver was as effective to treat HC-BPPV and there was no significant difference between the maneuvers; however, the Li Maneuver may take less time to complete. 1. The patient starts in a...Image/MovingImage
132 Liberatory or Modified Semont, Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV) for Right Posterior Canal BPPV (Canalithiasis or Cupulolithiasis)Posterior canal (PC) accounts for 70-90% cases of BPPV [1-3] and resolves with canalith repositioning maneuvers 90% of the time [4-13]. The Semont/Liberatory maneuver is considered a gold-standard treatment, with class 1 evidence for use and success rates close to 90% [4-13].The Liberatory maneuver ...Image/MovingImage
133 Light Near Dissociation in a Tonic Pupil𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 65-year-old woman who noticed difficulty reading and heightened sensitivity to lights OS for the last 6 months. On examination, there was mydriasis OS of about 6 mm (3 mm OD). The left (mydriatic) pupil constric...Image/MovingImage
134 Measuring Divergence AmplitudeDivergence insufficiency should be suspected in patients with binocular horizontal diplopia at distance (but not near) who lack abduction deficits. There should be an esodeviation greater at distance, and in older patients with levator dehiscence (or previous ptosis surgery) and prominent superior s...Image/MovingImage
135 Medial Longitudinal Fasciculus Syndrome with Prominent Spontaneous Nystagmus𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 60-year-old man who experienced the abrupt onset of diplopia and imbalance. He had typical features of a left medial longitudinal fasciculus (MLF) syndrome including left internuclear ophthalmoplegia (INO) and l...Image/MovingImage
136 Medial Medullary SyndromesThis is a video of two patients who suffered small strokes involving the right medial medulla, and who presented with acute vertigo and oscillopsia. The first patient in the video had pure upbeat nystagmus, while the second patient had upbeat-torsional (towards the right ear) nystagmus in addition t...Image/MovingImage
137 Mesodiencephalic Stroke Causing Unilateral riMLF and INC Ocular Motor Syndromes𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 65-year-old man who experienced the sudden onset of diplopia (with horizontal and vertical components), dysarthria and imbalance. An MRI performed the following day showed a left mesodiencephalic stroke. The pat...Image/MovingImage
138 Mild 6th Nerve Palsy Due to Pontine StrokeThis is a 70-year-old woman with HTN and diabetes who presented with horizontal diplopia for several weeks, worse in right gaze. There was a very subtle abduction paresis OD with full motility elsewhere. With cover-uncover testing, there was a small esotropia in right gaze (esodeviation seen with al...Image/MovingImage
139 Miller Fisher Syndrome - Ophthalmoplegia and Hyperreflexia𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 45-yo-woman who presented with mild imbalance and diplopia. There had been a preceding viral illness several weeks prior. Examination demonstrated horizontal gaze paresis (sparing unilateral adduction), mild gai...Image/MovingImage
140 Miller Fisher Syndrome - Ophthalmoplegia, Ptosis and Ataxia𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a young man who presented with ptosis, difficulty moving the eyes and gait imbalance several weeks after a GI illness. Miller Fisher syndrome was diagnosed, IVIG therapy was initiated, and anti-Gq1b antibodies cam...Image/MovingImage
141 Modified (Chair) Dix-HallpikeThe safety of the patient should be prioritized when completing this test virtually, and the examiner should avoid putting the patient in a position where a fall may occur. Modified (chair) Dix-Hallpike:(1) this test can be used for patients who may not be able to safely undertake the traditional Di...Image/MovingImage
142 Modified Zuma for Right Horizontal Canal Canalithiasis (Geotropic Nystagmus) (Video)The Modified Zuma maneuver is used to treat horizontal canal canalithiasis (geotropic nystagmus. 1. Patient begins in a seated position. 2. The patient's head is rotated 45 degrees towards the unaffected side. 3. The patient transitions to lying on their affected side and maintains this position for...Image/MovingImage
143 Monocular Downbeat Nystagmus Due to a Posterior Fossa CystThis is a 40-yo-man who experienced months of imbalance and was found to have an epidermoid cyst (immediately posterior to the 4th ventricle), which was resected. Months after surgery, he experienced monocular vertical oscillopsia. On examination, there was subtle downbeat nystagmus (DBN) in the rig...Image/MovingImage
144 Monocular Horizontal Pendular Nystagmus in MS𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Both of these patients have MS and monocular (OS) horizontal pendular nystagmus. The first patient seen in the video has normal afferent function and no evidence of optic nerve disease in either eye, while the second pati...Image/MovingImage
145 Multiple Cranial Neuropathies Due to Glomus TumorThis is a woman who was diagnosed with a right sided glomus tumor, and subsequently underwent resection. Seen here are multiple cranial neuropathies related to the tumor itself as well as to the surgery. She cannot abduct the right eye due to a right CN VI palsy. She has a right lower motor neuron f...Image/MovingImage
146 Multiple Lower Cranial Neuropathies Following Carotid EndarterectomyThis is a patient who underwent a right carotid endarterectomy (CEA). Following the surgery, multiple right sided lower cranial nerves were involved. In his case, there was trapezius and sternocleidomastoid weakness and atrophy on the right, indicative of right CN XI injury. There was an absent gag ...Image/MovingImage
147 Neuro-Ophthalmic Features and Pseudo-MG Lid Signs in Miller Fisher Syndrome𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 51-year-old woman who presented with imbalance, acute onset dizziness and diplopia that developed over three days following two weeks of upper respiratory infection and bacterial conjunctivitis. When she was ini...Image/MovingImage
148 Nystagmus Due to Paraneoplastic (Anti-Yo) Brainstem and Cerebellar Degeneration𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 40-yo-woman with anti-Yo antibody associated with ovarian cancer. Initial symptoms 2.5 years prior (to this video) included imbalance and dysarthria. She complained of oscillopsia which was due to her upbeat nys...Image/MovingImage
149 Ocular Alignment𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: These tests allow for detection of eso-, exo- or hyperdeviations (phorias (one eye viewing) or tropias (both eyes viewing) that can be seen with ocular motor palsy, skew deviation, or with cerebellar disease (commonly eso...Image/MovingImage
150 Ocular Bobbing Due to Hepatic Encephalopathy𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 55-year-old man presented with hepatic encephalopathy, and found to have ocular bobbing. Head CT did not show any acute changes. Ocular bobbing almost always localizes to the pons, although cerebellar pathology ...Image/MovingImage
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