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Trauma
intermediate
X-Type

Floating Knee Injury

Lower Extremity Trauma

A 35-year-old motorcyclist is brought to the emergency department after a high-speed collision. He has obvious deformity of his right thigh and leg with an open wound over the proximal tibia. Radiographs show a right femoral shaft fracture and an ipsilateral comminuted proximal tibia fracture. His leg is grossly unstable. Regarding floating knee injury:

Mark each as TRUE or FALSE

A

A floating knee is defined as ipsilateral fractures of the femur and tibia that result in isolation ...

B

Floating knee injuries are high-energy mechanisms (MVA, motorcycle, pedestrian) and are frequently a...

C

Floating knee is a low-energy injury; it occurs from falls at ground level; polytrauma is rare; mort...

D

Treatment principles include ATLS assessment, vascular evaluation, management of open wounds, and de...

E

Outcomes depend on fracture pattern, soft tissue injury, and associated injuries; Type II (intra-art...

Answer the questions to see explanations

Click T (True) or F (False) for each option