9 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
: Systemic Lupus ... Erythematous, Systemic ... Undifferentiated UCSD ... #Arthritis #arthritides ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
lupus erythematosus ... Juvenile Idiopathic Arthritis ... lupus erythematosus ... scleroderma), Rheumatoid Arthritis ... Juvenile Idiopathic Arthritis
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Gravis, Graves' Disease ... Lupus Erythematosus ... , Reactive Arthritis ... #Types #Classification ... #Diagnosis #Definitions
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
, Haemolytic disease ... Examples: Rheumatoid arthritis ... glomerulonephritis, Systemic ... lupus erythematosus ... #classification
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 arthritis ... lung syndrome Arthritis ... #Diagnosis #Rheumatology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... glomerulonephritis, rheumatoid arthritis ... , and systemic lupus ... erythematosus ... #Reactions #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and often causes arthritis ... Glomerulonephritis, arthritis ... mucositis - Rash, arthritis ... as systemic lupus ... classification
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
• Septic arthritis ... lupus erythematosus ... Arthritis: • ... when rheumatoid arthritis ... of reactive arthritis
Vasculitis - Differential Diagnosis Framework

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