39 results
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... Vertebral dissection, Myasthenia ... , Orbital apex syndrome ... URGENT: Brainstem tumor ... differential #diagnosis #ophthalmology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
with: - Thymic tumors ... Clinical Picture ... test - Cogan sign ... - Peek sign ... diagnosis #management #neurology
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... Myasthenia Gravis ... #PhysicalExam #clinical ... #video #neurology ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... allele of RB1 tumor ... allele of RB1 tumor ... pathophysiology #ophthalmology ... #symptoms
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Her clinical exam ... such as cogan sign ... have a thymic tumor ... #video #ophthalmology ... #neurology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... #PhysicalExam #clinical ... #video #neurology ... #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... #PhysicalExam #clinical ... #video #neurology ... #ophthalmology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... WBC >100k, + lab signs ... /- rasburicase Tumor ... rate or large tumor ... #Leukostasis #Tumor
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Myelitis, Trauma, Tumor ... Guillain-Barre syndrome ... heavy metals), Critical ... Lambert Eaton Syndrome ... , Myasthenia Gravis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... • Neurologic symptoms ... Inflammation • Orbital Tumor ... • Aneurysm • Tumor ... Algorithm #Causes #Ophthalmology