Musculoskeletal Flashcards
Jts in the hand affected in rheumatoid arthritis
MCP and PIP jts (DIP jts spared)
Jt pain and stiffness that worsen over the course of the day and are relieved by rest
Osteoarthritis
Genetic d/o a/w multiple fxs and commonly mistaken for child abuse
Osteogenesis imperfecta
Hip and back pain along with stiffness that improves with activity over the course of the day and worsens at rest. Dxic test?
- Suspect ankylosing spondylitis
- Check HLA-B27
Arthritis, conjunctivitis, and urethritis in young M. Associated organisms?
Reactive (Reiter’s) arthritis
-A/w Campylobacter, Shigella, Salmonella, Chlamydia, and Ureaplasma
55 yo M has sudden, excruciating 1st MTP jt pain after a night of drinking red wine. Dx? W/u? Chronic tx?
- Dx: gout
- W/u: needle-shaped, negatively birefringent crystals seen on jt fluid aspirate
- Chronic tx: allopurinol or probenecid
Rhomboid-shaped, positively birefringent crystals on jt fluid aspirate
Pseudogout
Elderly F presents with pain and stiffness of the shoulders and hips. She cannot lift her arms above her head. Labs: anemia and increased ESR.
Polymyalgia rheumatica
Active 13 yo boy has anterior knee pain. Dx?
Osgood-Schlatter dz
B. is fx’d in a fall on an outstretched hand
Distal radius (Colles’ fx)
Complication of scaphoid fx
Avascular necrosis
Signs suggesting radial n. damage with humeral fx
Wrist drop, loss of thumb ABduction
Young child presents with proximal m. weakness, waddling gait, and pronounced calf m.
Duchenne muscular dystrophy
First-born F who was born breech is found to have asymmetric skin folds on her newborn exam. Dx? Tx?
- Dx: developmental dysplasia of the hip
- Tx: if severe, consider a Pavlik harness to maintain ABDuction
11 yo obese AAM presents with sudden onset of limp. Dx? W/u?
- Dx: slipped capital femoral epiphysis (SCFE)
- Tx: AP and frog-leg lateral view
