WCC: intro to trauma Flashcards
1
Q
two types of lagging in static compression
A
- by technique
- by design
2
Q
What are a couple examples where using a partially threaded screw would be appropriate
A
- Scaphoid
- Intercondylar distal femur split
3
Q
disadvantages of lagging
A
Doesn’t resist bending/sheer forces well
4
Q
2 examples of dynamic compression
A
- Tension band technique used in patella that converts tension from quads into compression
- Buttress plating of tibial plateau fracture that changes the angle of the compression into interfragmentary compression
5
Q
What is the most important screw in buttress plating
A
-the top screw in the axilla
6
Q
AO/OTA classification generalities
A
- First number: 1 for humerus, 2 for forearm, 3 for femur, 4 for tibia
- Second number: 1 for proximal, 2 for diaphyseal, 3 for distal
- next is type and class: so if complete, segmental articular then C2
- So 33-C2 means distal femur complete segmental articular
7
Q
A one third tubular plate put in after a lag screw in a distal fibula ORIF is used as a what?
A
neutralization plate
