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TitleDescriptionSubject
1 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...Jerk Nystagmus, Flutter, Pendular Nystagmus, Square Wave Jerks, Opsoclonus,
2 Demonstration of HINTS examination in a normal subjectIn the acute vestibular syndrome - consisting of acute prolonged vertigo, spontaneous nystagmus, imbalance, nausea/vomiting, head motion intolerance which is typically due to vestibular neuritis or posterior fossa stroke - a 3 step test of ocular motor and vestibular function known as HINTS, has hig...Acute Vestibular; Normal VOR; Vertigo; HINTS examination
3 Neuro-ophthalmic features and pseudo-MG lid signs in Miller Fisher syndromeThis 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 initially seen as an outpatient, nystagmus was noted to the right and left, and a ...Abnormal VOR, Miller Fisher Syndrome, Myasthenia Gravis, Acute Vestibular Syndrome, Jerk Nystagmus, Gaze Evoked Nystagmus
4 Neuro-ophthalmic features and pseudo-MG lid signs in Miller Fisher syndrome - Figure 1This 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 initially seen as an outpatient, nystagmus was noted to the right and left, and a ...Abnormal VOR, Miller Fisher Syndrome, Myasthenia Gravis, Acute Vestibular Syndrome, Jerk Nystagmus, Gaze Evoked Nystagmus
5 Ocular motor signs in early progressive supranuclear palsyThis is a 64-year old man who experienced imbalance and falls (usually backwards) for the last 6 months. He experienced difficulty navigating stairs and had become a messy eater (thought to be in large part due to his vertical gaze palsy), and had developed hypophonia. Exam demonstrated square wave ...Abnormal Saccades, Abnormal Convergence, Abnormal Pursuit, Abnormal Range, Abnormal VORS, Vertical Gaze Palsy, Downgaze Palsy, OMS Mesencephalon
6 Peripheral (vestibular) and central (gaze-evoked) patterns of nystagmus in a single patientA 55-year-old man experienced episodic vertigo and was diagnosed with Meniere's disease affecting the left ear (based on audiograms and his clinical course) about 1 year prior to presentation. About 6 months prior to presentation, intratympanic (IT) gentamicin was injected into the left ear, at whic...Jerk Nystagmus, Vestibular Nystagmus, Bruns, Gaze Evoked Nystagmus, VOR HIT Abnormal
7 Summary of the most common audio-vestibular testingChart describing common audio-vestibular testing.Vestibular lab testing
8 Video head impulse testingThe video head impulse test (vHIT) is a clinical assessment technique used to assess the function of the semicircular canals-the angular acceleration detectors-which initiate the vestibulo-ocular reflex (VOR). The HIT and vHIT are performed similarly (see assessment of VOR using HIT video LINK), alt...Normal VOR, Abnormal VOR, Vestibular Lab Testing, Video Head Impulse Testing
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