9 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Rheumatoid Arthritis ... Fungal • Systemic Rheumatic ... Lupus Erythematous ... Undifferentiated UCSD ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Juvenile Idiopathic Arthritis ... • Rheumatic Diseases ... Arthritis, Sjögren ... Juvenile Idiopathic Arthritis
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
and Associated Rheumatic ... Juvenile Idiopathic Arthritis ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Action: IgG/lgM antibodies ... , Haemolytic disease ... days - Examples: Rheumatoid ... arthritis, Post-streptococcal ... erythematosus Type
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
arthritis, weight ... ANCA-associated vasculitis, rheumatoid ... arthritis, adult-onset ... lung syndrome Arthritis ... #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
arthritis - Gram ... Arthritis: • ... arthritis (RA) ... of reactive arthritis ... #Disease #Rheumatoid
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Allergen-specific lgE antibodies ... 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 ... : Systemic rheumatic ... , drug reactions
Vasculitis - Differential Diagnosis Framework

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