36 results
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat ... Nystagmus on Ocular ... #Nystagmus #Ocular ... #physicalexam #neurology ... #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
#Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... findings BPPV • Short-lived ... Positive Hallpike test ... or supine roll test ... Vertigo #Algorithm #differential
Downbeat Nystagmus on Physical Exam

65 year old female with new walking difficulty and dizziness. Why downbeat
Downbeat Nystagmus ... Physical Exam 65 year ... clinical #video #ocular ... #ophthalmology ... #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... whispered voice test ... tympanic membrane • Neurologic ... Hearing #Loss #Differential
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... Patients As: • Black spots ... the vision • Spots ... #Diagnosis #Ocular ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Young females Differential ... - no light-near ... #PhysicalExam #neurology ... #ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... Behcet disease) Differential ... Giant retinal tears ... inhibitors • Uveitis- Ophthalmology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... and the ice pack test ... include a Tensilon test ... clinical #video #ophthalmology ... #neurology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... mucins with reduced tear ... conjunctiva) • Bitot's spots ... pathophysiology #ophthalmology