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EM@3AM: Elbow Dislocation

A 15-year-old male with no past medical history comes in complaining of left arm pain. The patient was brought to the emergency department by his mother just after he fell while playing football. The patient is noted to have his arm held at 45-degree flexion. There is significant swelling over distal humerus, elbow, and proximal forearm with inability to extend at the elbow. What is most likely to be seen on radiographs?