96 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 ... dissection, Myasthenia gravis ... URGENT: Brainstem tumor ... Thyroid myopathy (Graves
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... • Neurologic symptoms ... • Myasthenia Gravis ... Inflammation • Orbital Tumor ... • Aneurysm • Tumor
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 ... #PhysicalExam #clinical ... ophthalmology #neurology
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 ... Retinoblastoma Signs ... #symptoms
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
Diagram of different types of bone tumors that can occur around the knee on XRay -
types of bone tumors ... • Giant cell tumor ... flame/blade of grass ... sign • Parosteal ... #Knee #Bone #Tumors
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Metastatic bone tumors ... Signs/Symptoms: ... between bone and tumor ... around the bone tumor
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
with: - Thymic tumors ... test - Cogan sign ... - Peek sign ... #diagnosis #management ... #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Myelitis, Trauma, Tumor ... heavy metals), Critical ... Syndrome, Myasthenia Gravis ... differential #diagnosis #neurology
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... Myasthenia Gravis ... #Curtain #Sign # ... #PhysicalExam #clinical ... #video #neurology