Knee Injuries
A 32-year-old male is brought to the emergency department following a high-speed motor vehicle collision. His right knee is grossly deformed and swollen. On examination, there is marked instability in multiple planes. The foot is warm with palpable distal pulses. Radiographs show a reduced knee dislocation with no fractures. Regarding the initial management of this injury:
Mark each as TRUE or FALSE
Knee dislocation carries a 20-40% risk of popliteal artery injury; vascular assessment is mandatory ...
The popliteal artery is tethered proximally at the adductor hiatus and distally at the soleus arch, ...
If distal pulses are present, vascular injury can be confidently excluded and no further investigati...
Peroneal nerve injury occurs in 25-40% of knee dislocations, especially posterolateral corner injuri...
Initial management includes closed reduction of the dislocation, application of a spanning external ...
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Click T (True) or F (False) for each option