9 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... lupus erythematosus ... lupus erythematosus ... : Lupus (SLE), Systemic ... Syndrome, Myositis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... rheumatologic diseases ... : • Chronic B-cell ... #Diagnosis #Rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Auto-Antibodies: - ANA ... #Systemic #Lupus ... #Diagnosis #autoantibodies ... #signs #symptoms
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
, Arthritis, myalgia ... : - ANA > ... of autoantibodies ... Lupus Erythematosus ... : - ANA >
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: Systemic rheumatic ... as systemic lupus ... Symptoms (Sx) in ... LFT • ESR • ANA ... classification
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... lupus erythematosus ... #Disease #Rheumatoid ... #Arthritis #laboratory ... #workup #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... (SLE), rheumatoid ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Systemic rheumatic ... as SLE, atherosclerotic ... purpura: Strong sign ... ischemia • Skin: Erythematous ... #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... • Anti-NXP2 (ANA ... -1 antibodies (ANA ... or head drop • ANA ... • Conduction system