Upper Extremity MSK Flashcards
(116 cards)
What fractures are at a increased risk for AVN?
- Shoulder fx
- Scaphoid fx: retrograde blood supply
- Hip fx
- Femoral neck fx
What is an open and closed fracture?
- Open or “compound”: breaks the skin (risk for infection)
- Close: does not break the skin
What is the SALTER acronym?
- S: straight across
- A: above
- L: lower or beLow
- TE: through everything
- R: cRush
What is a type 1 salter harris fracture?
Through the physis (growth plate) alone
What is a type 2 salter harris fracture?
Through the physis and metaphysis
- (MC)
What is a type 3 salter harris fracture?
Through the physis and epiphysis
What is a type 4 salter harris fracture?
Through the physis, metaphysis, and epiphysis
What is a type 5 salter harris fracture?
Crush injury to physis
What is the definition of a fracture?
Disruption of all or part of the boney cortex
What is a greenstick or torus fracture?
Incomplete disruption of cortex usually in peds
- bone is “bent” but not broken all the way through
What is a stress or hairline fracture caused by?
Fatigue induced from repeated stress over time.
What is a transverse fracture?
Fracture line is perpendicular to the shaft of the bone
What is a spiral/torsion fracture?
Bone has a twist appearance
What is an oblique fracture?
Break is diagonal and through the bone
What is a comminuted fracture?
Crushed, several little pieces
What is a segmental fracture?
Several large pieces of bone
What is an angulation displacement?
Deviation from straight (in angle position)
What is displacement?
Abnormal position of fragmenets
What is the definition of dislocation?
Complete disruption from the joint
What is subluxation?
- Partial disruption of joint
- Altered but bones of the joint still remain in contact
What is a sprain?
Injury of the bands of tissue that connect 2 bones together
What is a strain?
Injury to a muscle or to the band of tissue that attaches a muscle to a bone
What is a tear?
Tendon is torn away from the bone
What historical component is common with a scaphoid fracture?
- Fall on out stretched hand (FOOSH)
- MC carpal bone fracture and highest rate of nonunion occult fracture