23 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... 1 (50%-80%), type ... S - Systemic Lupus ... Erythematosus ( ... #Low #Complement
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus ( ... Juvenile Idiopathic Arthritis ... erythematosus ( ... • Nucleolar: Diffuse ... erythematosus (
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Kikuchi disease • Type-I ... pneumonitis • Diffuse ... enteropathy, and diffuse ... RNP antibodies, Complement
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... glomerulonephritis, rheumatoid arthritis ... , and systemic lupus ... erythematosus
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Systemic Lupus ... Erythematosus ... • Rheumatoid Arthritis
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... : • Systemic Lupus ... • Erythematosus ... the cause: • Arthritis ... sickness #TypeIII #Type3
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
antigens, leading to complement ... they activate complement ... Examples: Rheumatoid arthritis ... glomerulonephritis, Systemic lupus ... erythematosus Type
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Criteria for Systemic Lupus ... Erythematosus ... • Arthritis domain ... anticoagulant • Complement ... #Erythematosus
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
erythematosus ( ... Juvenile Idiopathic Arthritis ... erythematosus ( ... • Nucleolar: Diffuse ... erythematosus (
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... Polyarthritis • Systemic Lupus ... with Systemic Lupus ... Erythematosus ( ... Differential #Diagnosis #Algorithm