10 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
lupus erythematosus ... disease (MCTD), Drug-induced ... Lupus, Juvenile ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Arthritis 69% - Malar ... (aPL) 30-45% Differential ... Mimickers: Drug-induced ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... & NPSLE rare, Malar ... months to years) Systemic ... Lupusreference #druginduced ... #table #rheumatology
Lupus Classification
Spontaneous Lupus
 - Cutaneous Lupus Erythematosus (CLE)
 - Systemic Lupus Erythematosus 
Drug-Induced Lupus
 - Drug-Induced
Drug-Induced ... Lupus - Drug-Induced ... Systemic Lupus ... erythematosus #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
disease (MCTD), Drug-induced ... Idiopathic Arthritis, Drug-Induced ... Biliary Cirrhosis, Drug-Induced ... ANA #patterns #rheumatology ... #diagnosis #differential
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
Drug Induced Systemic ... Lupus Erythematosus ... Lupusreference #DrugInduced ... pharmacology #risk #differential ... #diagnosis #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... infection) - Drugs ... • Infections: Malaria ... Extravascular #Causes #differential ... #diagnosis #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... Photosensitivity • Malar ... extremities Drug ... • Antihistone: Drug
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... inflammation Others: • Lupus ... Vasculitis • Drug ... lupus erythematosus ... #diagnosis #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Drug Induced Lupus ... Epidemiology: -10% of all lupus ... & NPSLE rare, Malar ... Lupusreference #DrugInduced ... #Lupus #DIL #rheumatology