11 results
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), Sarcoidosis ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Systemic lupus erythematosus ... in drug-induced SLE ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... Workup: - ANA ... Positive in 60-80% of cases ... #Summary #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... purpura: strong sign ... claudication, aortitis ... SLE) • Urinalysis ... #rheumatology #
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Systemic Lupus Erythematosus ... Workup: - ANA ... comparison #table #rheumatology ... #diagnosis #management
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
pericarditis (search ANA ... pleurisy (search ANA ... cytopenia (search ANA ... #sle #clues #system ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Auto-Antibodies: - ANA ... Lupusreference #SLE ... #signs #symptoms ... #differential #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... spondylitis - Sacroiliac ... Systemic lupus erythematosus ... antibody (ANA) ... ACE level, CXR, ANCA
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Doppler US : halo sign ... PET/CT: aortitis ... GiantCellArteritis #GCA #Rheumatology ... Ophthalmology #Diagnosis ... #Algorithm
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... DDX: • ANCA (Antineutrophil ... systemic lupus erythematosus ... classification #rheumatology