48 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... blindness, linked to macular ... retinal ischemia Causes ... Differential #Diagnosis #Ophthalmology ... #Rheumatology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... due to retinal vascular ... retinopathy) #Clinical ... #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... narrowing and vascular ... hyalinization causes ... #Retinopathy #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... Focal areas of saccular ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Pathogenesis and clinical ... share the same pathophysiology ... • Other rare causes ... arrhythmia • Valvular ... endocrinology #pathophysiology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
considered in all cases ... coagulation and other causes ... Venous #Arterial #pathophysiology ... #hematology #differential ... #diagnosis #vascular
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... Clinical manifestations ... GiantCellArteritis #GCA #Rheumatology ... #Ophthalmology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathogenesis and Clinical ... Viral replication causes ... direct injury to vascular ... PolyarteritisNodosa #Pathophysiology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Age Related Macular ... Pathogenesis and clinical ... Amsler grid) - Macular ... MacularDegeneration #pathophysiology ... #ophthalmology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
The cause of this ... inflammatory, vascular ... Commonly, vascular ... Alternating #Bilateral #clinical ... #video #ophthalmology