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Trauma
intermediate
X-Type

Terrible Triad of the Elbow

Elbow Trauma

A 42-year-old woman presents after a fall onto an outstretched hand. Radiographs reveal a posterior elbow dislocation with a radial head fracture and a coronoid process fracture. The elbow was reduced in the emergency department but remains unstable to valgus stress. The orthopaedic surgeon is planning definitive surgical management. Regarding the terrible triad of the elbow:

Mark each as TRUE or FALSE

A

The terrible triad consists of elbow dislocation, radial head fracture, and coronoid process fractur...

B

Key stabilizers that must be addressed include: the radial head (secondary valgus stabilizer), the c...

C

The terrible triad involves only soft tissue injuries with no bony component; the radial head can al...

D

Surgical approach is typically lateral (Kocher interval between anconeus and ECU); order of repair i...

E

Complications include recurrent instability (especially posterolateral rotatory), stiffness (most co...

Answer the questions to see explanations

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