17 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
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... • Immediate ophthalmology ... isosorbide) #Central ... Occlusion #CRAO #Diagnosis
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Ocular Ultrasound ... Hemorrhage • Central ... Pocus101 #Ocular #Ultrasound ... #differential #diagnosis ... #radiology #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
- Distorted central ... - Faded/blind spots ... in central vision ... MacularDegeneration #pathophysiology ... #ophthalmology
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
Lemierre’s Syndrome - Pathophysiology

Lemierre’s is an infectious thrombophlebitis of the internal jugular vein.

 - It starts
Lemierre’s Syndrome - Pathophysiology ... - It starts ... peritonsillar abscess, or dental ... Lemierres #Syndrome #Pathophysiology ... #Diagnosis
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
-> Cotton-wool spots ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
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
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... intra-arterial spot ... sign” (arrow) c/w central ... POCUS #clinical #ultrasound ... #ophthalmology