7 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
types of hypersensitivity ... arthritis, Post-streptococcal ... lupus erythematosus ... #reactions #types ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... arthritis, and ... systemic lupus erythematosus ... #Types #Classification ... #Reactions #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Glomerulonephritis, arthritis ... : Systemic rheumatic ... as systemic lupus ... ) pattern: antibodies
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... arthritis, weight ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
arthritis) • ... lupus erythematosus ... (SLE), rheumatoid ... arthritis, Sjögren's ... #types #classification
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... arthritis - Gram ... lupus erythematosus ... (SLE) - Antinuclear ... #workup #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Systemic rheumatic ... disease, drug reactions ... mucositis • Rash, arthritis ... often causes arthritis ... Glomerulonephritis, arthritis