38 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... lupus erythematosus ... in drug-induced SLE ... Vasculitis: • ... vasculitis - MPO
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammation Others: • Lupus ... lupus erythematosus ... purpura: strong sign ... , and SLE) • Urinalysis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
), ANCA associated ... vasculitis (rare ... Arthritis (RA), Systemic ... lupus erythematosus ... (SLE), Sarcoidosis
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... • Immunologic Workup ... Positive in 60-80% of cases ... Evolution: Chronic disease ... #lupus #Systemic
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Butterfly rash, Vasculitis ... (20%) Renal disease ... #SLE #systemic ... erythematosus #signs
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... (SLE), Sjogren's ... (SLE), Systemic ... : Lupus (SLE), Systemic ... #patterns #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Pleuritis) H Hematologic ... Arthritis R Renal ... Disease (Nephritis ... #IMDAMNSHARP #sle ... #systemic #lupus
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Hypersensitivity vasculitis ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #joint #pain #skin
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... months to years) Systemic ... • Immunologic Workup ... Evolution: Chronic disease
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Antinuclear (ANA ... & renal involvement ... #Lupus #Erythematosus ... diagnosis #rheumatology