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

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion ( ... #CRVO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
edema caused by ischemia ... axons death due to ischemia ... #CRAO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
infarcts from occlusions ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Hard Exudates • Occlusion ... causes fluffy white ischemic ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... choroidal bed -> Ischemia ... early disease) #AgeRelated ... MacularDegeneration #pathophysiology ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... Midbrain (Parinaud's Syndrome ... #Causes #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic symptoms ... a diagnosis of exclusion ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
meningitis), MCC CNS symptoms ... disease (SVC/IVC occlusion ... tears, Ischemia ... inhibitors • Uveitis- Ophthalmology ... management #signs #symptoms
Subclavian steal syndrome (SSS) 
Subclavian artery narrowing or oclussion near the proximal portion of the vertebral
Subclavian steal syndrome ... presentation (SSS) 1️⃣ Ischemia ... 2️⃣ Neurologic symptoms ... Subclavian #steal #syndrome ... #SSS #pathophysiology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Symptoms ... limb and bowel ischemia ... thrombi including retinal ... and/or venous occlusions ... Antiphospholipid syndrome