9 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... of Vertigo Peripheral ... Causes (Common) ... (TIA): • Lateral ... differential #diagnosis #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary ... continuous vertigo ... Clinical Findings: • Nausea ... /vomiting/vertigo ... #Wallenbergs #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... differential #diagnosis #ocular
Opsoclonus-Myoclonus Ataxia Syndrome (OMAS) -Dancing eyes - dancing feet syndrome
 • Opsoclonus: ocular spontaneous, arrhythmic, conjugate
• Opsoclonus: ocular ... conjugate saccades movements ... shock-like, involuntary movements ... caused by muscular ... clinical #video #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... abnormal extraocular movements ... dissociation • Other causes ... #PhysicalExam #neurology
Bilateral Internuclear Ophthalmoplegia (BINO)

Bilateral Internuclear ophthalmoplegia in chronic Multiple sclerosis. Note the adduction lag in the
Bilateral Internuclear ... the adduction lag ... during some of the movements ... Ophthalmoplegia #BINO #ocular ... clinical #video #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... /pain upon eye movement ... involvement: Intractable nausea ... Other brainstem syndromes ... Manifestations #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... dysfunction to the bilateral ... • Vestibulo-ocular ... reflex • Gag ... #PhysicalExam #neurology
Downbeat Nystagmus on Physical Exam

65 year old female with new walking difficulty and dizziness. Why downbeat
causes downbeat ... 'fast' movements ... as it points to bilateral ... clinical #video #ocular ... ophthalmology #neurology