13 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal Vein Occlusion ... (CRVO) - Pathophysiology ... Second most common cause ... due to retinal vascular ... ) #Clinical #Ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
common than retinal arterial ... Concussion Other Causes ... common than retinal arterial ... differential #diagnosis #ophthalmology ... #causes
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
considered in all cases ... coagulation and other causes ... #pathophysiology ... #hematology #differential ... #diagnosis #vascular
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... occlusion • Disruptions ... in vascular integrity ... gangrenosum • Bacterial ... #rheumatology #
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Diffuse and focal arterial ... narrowing and vascular ... Hard Exudates • Occlusion ... #Retinopathy #pathophysiology ... #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Valvular, arrhythmias ... upstream CRAO -> Arteriole ... retinal edema caused ... #CRAO #pathophysiology ... #ophthalmology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Hyperviscosity, - Vascular ... and/or venous occlusions ... cryoglobulins • Negative causes ... to medium-sized arteries ... Cryofibrinogenemia #diagnosis #rheumatology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
infarcts from occlusions ... Focal areas of saccular ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... posterior ciliary arteries ... GiantCellArteritis #GCA #Rheumatology ... #Ophthalmology ... #Diagnosis #Algorithm
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
and diplopia) • Vascular ... Disease: Arterial ... disease (SVC/IVC occlusion ... inhibitors • Uveitis- Ophthalmology ... signs #symptoms #rheumatology