10 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... complexes • Ex: Systemic ... Lupus Erythematosus ... , Reactive Arthritis ... Classification #Diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... - Local and systemic ... glomerulonephritis, rheumatoid arthritis ... , and systemic lupus ... Pathophysiology #Allergy #Diagnosis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
central nervous system ... vasculitis - hypersensitivity ... lupus erythematosus ... #Rheumatology # ... Diagnosis
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... Algorithm Reactive ... • Systemic ... Lupus Erythematosus ... • Rheumatoid Arthritis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Labs/Diagnosis: ... vasculitis • Hypersensitivity ... lupus erythematosus ... #rheumatology #
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Algorithm Congenital ... Destruction • Systemic ... Lupus Erythematosus ... • Rheumatoid Arthritis ... #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lupus erythematosus ... lupus erythematosus ... • Drug-induced hypersensitivity ... Activation #Syndrome #Diagnosis ... #Rheumatology
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential Diagnosis ... Algorithm Idiopathic ... Disease - Rheumatoid Arthritis ... , Systemic Lupus ... #Algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... Non-autoimmune rheumatologic ... Kikuchi disease • Type-I ... #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... lupus erythematosus ... Tests for All Types ... #testing #Rheumatology