8 results
Myelinated Retinal Nerve Fiber Layers (MRNF) on Fundoscopy Ocular Examination

Dr. Sebastian Vega @oftalmopo

#MRNF #Myelinated #Retinal #Nerve
Myelinated Retinal ... Nerve Fiber Layers ... Ocular Examination ... #Nerve #Fibers ... #PhysicalExam #clinical
Myelinated retinal nerve fibers (MRNF) on Fundoscopy Ocular Examination

They are retinal nerve fibers prior to the
nerve fibers (MRNF ... nerve fibers prior ... In general they ... #nerve #fibers ... #MRNF #Ocular #PhysicalExam
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Exudates • Nerve ... fiber layer infarcts ... from occlusions ... -> Cotton-wool spots ... of VEGF causing fine
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
retina and flame ... Exudates • Occlusion ... retinal nerve fiber ... -> Cotton-wool Spots ... -> Elschnig's Spots
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
third fingers, ... or hold a piece ... second fingers ... #Injury #Hand # ... #video #sports
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
peripheral nerves ... /or central nervous ... episcleritis as well as inner ... vaso-occlusive ... Vasculitis: • Fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
renal abnormalities ... vaso-occlusive ... muscle weakness • Nerves ... Angiitis of the Central ... /or central nervous
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
gland) biopsy • Ocular ... Xerostomia • Dental ... Involvement: • Central ... myelopathy, cranial nerve ... system: small-fiber