11 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... erythematosus ... • Sjögren syndrome ... #ANCA #Antineutrophil ... #antibodies #diagnosis
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic ... SLE), Sjogren's ... Syndrome (SS), Polymyositis ... #Antibodies #ANA
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... SLE), Sjogren's ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #Antibodies #ANA
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... searched for when ANA ... and Sjogren Anti-SSB ... #diagnosis #rheumatology ... #table #ANA
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... vasculitis, rheumatoid ... dermatomyositis, Sjogren ... Arthritis: • Joint pain ... #Diagnosis #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
), ANCA associated ... (RA), Systemic lupus ... erythematosus ( ... SLE), Sarcoidosis ... #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
DDX: • ANCA (Antineutrophil ... (e.g. systemic lupus ... erythematosus ( ... SLE), rheumatoid ... classification #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
lesions • Severe pain ... , RA, Sjogren's, ... antibodies, antineutrophil ... , rheumatoid factor ... • Abdominal ultrasound
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... : Systemic rheumatic ... ) pattern: antibodies ... SLE) • Urinalysis ... #rheumatology #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... erythematosus ( ... SLE) - Antinuclear ... antibodies, which ... , a negative ANA