11 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
body, vitreous, retina ... ischemia Causes ... #Differential #Diagnosis ... #Ophthalmology ... #Rheumatology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... Midbrain (Parinaud's Syndrome ... #Algorithm #Causes ... #Ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
altitudinal defect • Fundoscopy ... Doppler US : halo sign ... GiantCellArteritis #GCA #Rheumatology ... #Ophthalmology ... #Diagnosis #Algorithm
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
edema caused by ... ischemia results ... axons death due to ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
of the terminal retinal ... fluffy white ischemic ... Elschnig's Spots • Ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
disease (panuveitis, retinal ... tears, Ischemia ... inhibitors • Uveitis- Ophthalmology ... #signs #symptoms ... #rheumatology #
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... AKI, acute limb ischemia ... WBC >100k, + lab signs ... #TLS #diagnosis ... #management #hematology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
limb and bowel ischemia ... thrombi including retinal ... cryoglobulins • Negative causes ... Antiphospholipid syndrome ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... tract, and often causes ... Kidneys: glomerular ischemia ... purpura: strong sign ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... pulmonary and renal ... purpura: Strong sign ... tract, and often causes ... #Rheumatology