14 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion ( ... CentralRetinalVein #Occlusion ... pathophysiology #ophthalmology ... #diagnosis #signs
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

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

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Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... artery occlusion ... Retrobulbar "spot sign ... #Clinical #POCUS ... CRAO #SpotSign #Central
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
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Artery Occlusion ... => Central Retinal ... pathophysiology #ophthalmology ... #diagnosis #signs
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
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- Small artery occlusive ... optic neuropathy, vasculitis ... occlusion - Associated ... floaters obscuring central ... Differential #Diagnosis #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
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
lesions of the central ... Mononeuropathy: Nerve ... Lack of UMN/LMN signs ... • Autoimmune: Inclusion ... polymyositis, inclusion
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and peripheral nerves ... gastrointestinal, and/or central ... reactions, and vaso-occlusive ... purpura: strong sign ... Nerves -> mononeuritis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE) General ... Butterfly rash, Vasculitis ... Polyneuropathy, Cranial nerve ... Abdominal pain (20%) Renal ... erythematosus #signs