7 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... Thyroid, Autoimmune ... Primary Biliary Cirrhosis ... #rheumatology # ... diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... • Non-autoimmune ... : • Joint pain ... #Diagnosis #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... , erythema and WBC ... • Is there a pattern ... Joint #pain #Differential ... #Diagnosis #MSK
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Systemic lupus erythematosus ... ferritin level, and iron ... #laboratory #workup ... #diagnosis #testing
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #diagnosis #rheumatology ... #classification
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... (RA, Temporal arteritis ... : Cirrhosis, ETOH ... , autoimmune hepatitis ... #diagnosis #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Syndrome: Fever, joint ... slow onset and pattern ... • Nonerosive arthritis ... : • PBC, autoimmune