10 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... disease (MCTD), Drug-induced ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
involvement 3% SLE-Related ... Auto-Antibodies ... Mimickers: Drug-induced ... Lupusreference #SLE ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... disease (MCTD), Drug-induced ... ANA #patterns #rheumatology ... #diagnosis #differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... reactions Common Drugs ... insufficiency/Failure • SLE ... Medications 2.
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... reactions Common Drugs ... insufficiency/Failure • SLE ... Medications 2.
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
SLE High risk ... for 1 year of treatment ... Erythematosus #medications ... #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 ... complements and a high ... permanent alopecia Differential ... activation and/or medications ... Erythematosus #Diagnosis #Rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
family history - Medications ... test, ANA (e.g., SLE ... anti-phospholipid antibodies ... psychiatric changes), high ... Causes #Workup #hematology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
diseases: syßtemic lupus ... erythematosus (SLE ... #Differential # ... Diagnosis #High ... #Potassium #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... such as systemic lupus ... C-ANCA) pattern: antibodies ... vasculitis, and SLE ... #diagnosis #rheumatology