7 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... Hard Exudates • Occlusion ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... Artery Occlusion ... CRAO) on Ocular POCUS ... intra-arterial spot sign ... clinical #ultrasound #ophthalmology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and peripheral nerves ... muscle weakness - Nerves ... reactions, and vaso-occlusive ... purpura: strong sign ... Nerves -> mononeuritis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... vasculitis) • ... disease (SVC/IVC occlusion ... inhibitors • Uveitis- Ophthalmology ... diagnosis #management #signs
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
Papilledema on Ocular POCUS ... linear probe, optic nerve ... globe (crescent sign ... 3mm posterior to retina ... clinical #ultrasound #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
pathways occur at the retina ... meningeal irritation signs ... headache • CNS Vasculitis ... the trigeminal nerve ... differential #diagnosis #ophthalmology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... pulmonary and renal ... reactions, and vaso-occlusive ... purpura: Strong sign ... muscle weakness • Nerves