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

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Occlusion #CRVO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... -> Cherry-red spot ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... -> Cotton-wool spots ... macula, and/or retina ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... vision • Pale retina ... • Cherry red spot ... • Immediate ophthalmology ... Clinical #Fundoscopy #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
-> Cotton-wool Spots ... -> Elschnig's Spots ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
shadows on the retina ... Patients As: • Black spots ... the vision • Spots ... Detachment: Symptoms ... Diagnosis #Ocular #ophthalmology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Findings Grading Ligament ... Sprains l: Minimal ligament ... commonly injured ligament ... LowAnkleSprain #Sports ... Grades #Diagnosis #pathophysiology
Roth spots: a red hemorrhagic lesion of the retina with a characteristic white center representing fibrin-platelet
Roth spots: a red ... lesion of the retina ... Clinical #Fundoscopy #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... spread • Sub-retinal ... Retinoblastoma #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... axoplasm into retina ... #CottonWool #Spots ... #fundoscopy #ophthalmology