10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... Rheumatic Diseases ... (SLE), Systemic ... : Lupus (SLE), Systemic ... #rheumatology #diagnosis
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic ... (SLE), Systemic ... #ANA #patterns ... #rheumatology #diagnosis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... : - ANA 95-100% ... Diagnosis and Lupus ... #Systemic #Lupus ... rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Diagnosis Framework ... Nodosa (PAN), ANCA ... Systemic lupus ... erythematosus (SLE ... #Diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... Serositis Labs: • ANA ... • (-) ANA + (+ ... #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... Discontinuation of causal ... of autoantibodies ... : - ANA > ... #table #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) ... #Disease #Rheumatoid ... #workup #diagnosis ... #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Diagnosis: Systemic ... rheumatic diseases ... #diagnosis #rheumatology ... #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
DDX: • ANCA (Antineutrophil ... cytoplasmic antibody ... lupus erythematosus ... (SLE), rheumatoid ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... rheumatic diseases ... , such as SLE, atherosclerotic ... often causes arthritis ... #Diagnosis #Rheumatology