12 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... glaucoma and retinal ischemia ... Causes of uveitis ... Differential #Diagnosis #Ophthalmology ... #Rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... Definition: acute ischemic ... GiantCellArteritis #GCA #Rheumatology ... #Ophthalmology
Vasculitis and Vasculitides - Differential Diagnosis Framework

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Purpura, ischemic ... and mesenteric ischemia ... Non-glomerular ischemia ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... • Mechanism: ischemic ... differential #diagnosis #causes ... #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Nephrotic Syndrome, Ischemic ... considered in all cases ... coagulation and other causes ... 19 - PNH - Vasculitis ... pathophysiology #hematology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
malignancies, vasculitis ... Related conditions: Stroke ... limb and bowel ischemia ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... - (Ischemia, ... classification #rheumatology ... #vasculitis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... visual changes, stroke ... AKI, acute limb ischemia ... diagnosis #management #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
decrease in most cases ... tissue damage from ischemia ... hematuria (without casts ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology