A case of bilateral nursemaid's elbow.

Although the case presented was easily treated, it caused anguish and expense that might have been avoided had the diagnosis been entertained initially. Considering the high frequency of occurrence, radial head subluxation should be thought of in young children with upper extremity injuries, typical posturing, and no other evidence of trauma or deformity. A suggestive history should be sought, and an attempt to reduce the subluxation should be made. Parents and caretakers should be advised about the potential for recurrence of this injury, as well as the dangers of sudden traction on a child's arm.