5 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
glomerulonephritis, rheumatoid arthritis ... , and systemic lupus ... erythematosus ... #Pathophysiology ... #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Action: IgG/lgM antibodies ... to complement activation ... Examples: Rheumatoid arthritis ... lupus erythematosus ... #reactions #types
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... , inflammatory arthritis ... vasculitis, rheumatoid arthritis ... lung syndrome Arthritis ... #Diagnosis #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... lupus erythematosus ... juvenile idiopathic arthritis ... lupus erythematosus ... [SLE], AOSD) •
Vasculitis - Differential Diagnosis Framework

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