8 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... - hypersensitivity ... lupus erythematosus ... purpura-arthralgia-nephritis ... #Diagnosis #Rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Nephritis, Cryoglobulinemia ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... • Hypersensitivity ... lupus erythematosus ... #types #classification ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... nephritis can present ... abnormalities (non-nephrotic ... (nephrotic-range ... #Diagnosis #Rheumatology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... IgA nephropathy, lupus ... nephritis, cryoglobulinemia ... autoAb against type ... #Nephrology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... lupus erythematosus ... - Contact dermatitis ... #Types #Classification ... #Reactions #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ANCA +MPO) • Cryoglobulinemic ... inflammation Others: • Lupus ... as systemic lupus ... #rheumatology # ... classification
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
• Interstitial nephritis ... acidosis • NAGMA • Glomerulonephritis ... Vasculitis: • ... 7%, Cryoglobulinemia ... Sjogrens #Syndrome #Rheumatology