Arthritis

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DDX By Number of Affected Joints

  1. Monoarthritis
    1. Trauma-induced arthritis
    2. Nongonococcal septic arthritis
    3. Gonococcal septic arthritis
    4. Crystal-induced (gout, pseudogout)
    5. Osteoarthritis (acute)
    6. Lyme disease
    7. Avascular necrosis
    8. Tumor
    9. Reactive Arthritis (Poststreptococcal)
  2. Oligoarthritis
    1. Lyme disease
    2. Reactive arthritis (Reiter syndrome)
    3. Ankylosing spondylitis
    4. Gonococcal arthritis
    5. Rheumatic fever
  3. Polyarthritis
    1. Rheumatoid arthritis
    2. SLE
    3. Viral arthritis
    4. Osteoarthritis (chronic)
    5. Serum sickness
    6. Serum sickness–like reactions
    7. Reactive Arthritis (Poststreptococcal)

DDX For Migratory Pattern

  1. Gonococcal arthritis
  2. Acute rheumatic fever
  3. Lyme disease
  4. Viral arthritis
  5. SLE

Source

  • Tintinalli