Def. A disease of synovial joints that represents failed repair of joint damage resulting from joint level or systemic stresses on the joint tissues (synovium, subchondral bone, cartilage, ligaments, menisci) → breakdown of cartilage and bone

Relevant Physiology

Etiology

• Unknown

Pathogenesis

• Failure to repair damage

• NOT a natural part of aging

  

Classifications z(Anatomical)

• Hand OA
• Knee OA
• Hip OA
• GH OA

Presentation

Risk factors

• Joint Load
• Systemic
• PMHx (Secondary to)
  • Fractures with inadequate reduction

Signs and Symptoms (HPI)

• Symptoms