Musculoskeleta Flashcards
salter-harris fractures always invovle
physis
salter-harris Type I, II, III IV, V fractures
I: physis widended, distorted, or displaced
II: ME metaphysis
III: E physis
IV: ME metaphysis and Epyphysis
V: physis crushed or compressed by axial compression
Jefferson fracture
at least 2 fractures of C1 by something falling on head
Clay shovelers
flexion injury where spinous process broken or fractured
most commonly fractured carpal bone
scaphoid can lead to avascular necrosis
indications for bone scan
osteomylitis
bony neoplasm or metastases
occult vertebral fracture
most common MD of chidlren
Duchenne’s muscular dystrophy
replacement of muscle with fat
primary bone cancer adult males
osteosarcoma
symmetric arthritis in at least 3 joints
nodules at PIP
bakers cysts
RA
subchondral cysts
osteophytes
Heberden’s odes
bouchards nodes
osteoarthritis
seronegative arthrides
- RF, + HLA b27
Psoriatic
enteropathic
reactive arthritis
softness of articular cartilege often involving patella
chondromalacia
Osteochondrossi
Oshgood Schlatter
ominous signs of back pain
new onset over age 50 doesn't get better with lying bad at night wt loss systemic sx hx ca osteoporosis neuro sx bowel/bladder referred to back from other source
acute monoarthropathy in absence of trauma
workup
likley dx
septic arthritis due to gout, Gonorrhea, or Staph
athrocentesis - see WBC >2000
xray finding in RA
bone erosion (loss of joint space)
low back pain that radiates to calves
improves with flexion/ forward bending
spinal stenosis
injury occurs when foot is planted and direct force is applied to lateral knee or rotational force
ACL
posterior force to tibia (hitting dashboard in MVA)
PCL
direct force on medial knee while foot is planted
LCL