10 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... artery occlusion ... Positive "spot sign ... #Embolus #Clinical ... #POCUS #Ocular
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... Retrobulbar "spot sign ... #Clinical #POCUS ... #OcularUS #CRAO ... #Embolus
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
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atherothrombosis, embolus ... - Small artery occlusive ... optic neuropathy, vasculitis ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... (CRAO) on Ocular ... intra-arterial spot sign ... #CRAO #Ocular # ... #ultrasound #ophthalmology
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 ... nerve fiber layer ... pathophysiology #ophthalmology ... #diagnosis #signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and peripheral nerves ... Syndrome: - Ocular ... reactions, and vaso-occlusive ... purpura: strong sign ... Nerves -> mononeuritis
Papilledema on Ocular POCUS

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

Why?
• The coexistence of photophobia and headache suggests the potential
meningeal irritation signs ... glaucoma - Ocular ... 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,
pulmonary and renal ... reactions, and vaso-occlusive ... purpura: Strong sign ... muscle weakness • Nerves ... Cogan syndrome: Ocular