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Technique guide are not considered high yield topics for orthopaedic standardized exams including the ABOS, EBOT and RC.
A 34-year-old male falls from a roof and sustains a right elbow dislocation that is closed reduced in the emergency room. An AP radiograph is shown in Figure A. This injury pattern is at highest risk for which of the following?
Anterior interosseous nerve palsy
Varus posteromedial rotatory instability
Posterior interosseous nerve palsy
Valgus posterolateral rotatory instability
Elbow instability when pushing oneself up from a seated position in a chair
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Which of the following is most commonly associated with both simple and complex elbow dislocations?
radial head fracture
radial neck fracture
loss of terminal extension
coronoid base fracture
You are planning open reduction and internal fixation for a comminuted radial head fracture. To avoid impingement with the proximal ulna, you need to carefully place your fixation. What percent of the proximal radial head articulates with the proximal ulna?
A 30-year-old woman falls onto an outstretched arm while rollerblading. She presents to the emergency room with the elbow deformity shown in Figure A. On physical examination she is unable to range her elbow. She is distally neurovascularly intact. Her radiograph is shown in Figure B. What is the next step in management of this patient?
Closed reduction, hinged external fixator
Closed reduction, acute surgical repair of the lateral collateral ligament complex
Open reduction and surgical repair of the lateral collateral ligament complex
Closed reduction, splinting & early passive ROM
Closed reduction, splinting & early active ROM
A 26-year-old male wrestler suffers the elbow injury shown in Figure A. On physical exam he is neurologically intact and has a palpable radial pulse. He is treated with closed reduction in the emergency room. In order to optimize his clinical outcomes, which of the following treatment and rehabilitation protocols should be avoided?
Immediate active and active-assist range of motion through a stable arc
Initial splinting and immobilization for 4 weeks followed by physical therapy
Initial splinting in 90 degrees of flexion with neutral forearm rotation
A range of motion protocol that limits full extension in the early phases of rehab
Light duty use of the affected arm immediately following immobilization
What is the most common mode of failure of the lateral ulnar collateral ligament associated with an elbow dislocation?
ligament avulsion off the humeral origin
ligament avulsion off the ulnar insertion
bony avulsion of the humeral origin
combined proximal and distal ligament avulsions