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8 Cards in this Set
- Front
- Back
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Pathophysiology of osteoarthritis |
- cartilage degrades + thins - bone rubs on bone - inflammation - bone grows out at edges (osteophytes) - synovium thickens + swells - capsule and ligaments thicken + contract - bones forced out of normal position |
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Pathophysiology of rheumatoid arthritis |
- autoimmune - synovium attacked - inflammation - synovium proliferates + swells - capsule stretches - inflammation goes down - stays stretched - angiogenesis - new blood vessels - joint more damaged each time inflamed - cartilage thins + bone erodes |
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Epidemiology of osteoarthritis |
- affects 10-15% of adults - >50 y/o - more common + severe in women |
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Epidemiology of rheumatoid arthritis |
- affects 1% of population - 40-50 y/o - women: men = 2:1 |
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Risk factors for osteoarthritis |
- obesity - physical/ manual occupation - genetics |
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Risk factors for rheumatoid arthritis |
- genetics |
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Signs/ symptoms of osteoarthritis |
- asymmetric joint pain - associated with activity - joint functional difficulties - giving way - locking - affects: - knee - hip - hand - inter phalangeal (MCP sparing) - spine - lumbar/ cervical - bone deformity - crepitus |
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Signs/ symptoms of rheumatoid arthritis |
- symmetrical arthritis - >6 months - pain on touching - swelling - affects: - hands - MCP, PIP, wrists - feet - MTP, ankles - elbows - morning stiffness - >1 hour - general sign of inflammatory disease - rheumatoid nodules - on tendons |
