10 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
disease (MCTD), Drug-induced ... Lupus, Juvenile ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... or Anti-NucIear Antibody ... refers to antibodies ... ANA #patterns #rheumatology ... #diagnosis #differential
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
FVIII antibody ... associated with systemic ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... ) • Systemic lupus ... Anti-histone (in drug-induced ... SLE) • Systemic ... #diagnosis #rheumatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Drugs: Direct or ... antiphospholipid antibodies ... associated with systemic ... hematology #coagulation
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... SLE-Related Auto-Antibodies ... Diagnosis and Lupus ... Mimickers: Drug-induced ... #rheumatology
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
Drug Induced Systemic ... for 1 year of treatment ... #medications #drugs ... pharmacology #risk #differential ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... extremities Drug ... activation and/or medications ... #Diagnosis #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
) • Sepsis • Drug-induced ... Treatment: • Corticosteroids ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... Diagnosis: Systemic ... lupus erythematosus ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology