6 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
HIV viral load Drug-induced ... uncommon 5-15% of lupus ... #differential # ... diagnosis #comparison ... #rheumatology
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Renal failure* - Drugspotassium-sparing ... pseudohypoaldosteronism, systemic lupus ... disease, obstructive uropathy ... Causes #diagnosis #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... constitutional symptoms • Treatment ... life-threatening • Treatment ... #sle #comparison ... #table #rheumatology
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
Lupus Erythematosus ... for 1 year of treatment ... Erythematosus #medications ... #risk #differential ... #diagnosis #rheumatology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
diseases: syßtemic lupus ... Drugs: nonsteroidal ... Drug-associated: ... #Differential # ... Diagnosis #High #Potassium
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... extremities Drug ... • Antihistone: Drug ... activation and/or medications ... Erythematosus #Diagnosis #Rheumatology