Nursemaid's Elbow, or "pulled elbow," occurs in small children as a result of being lifted, yanked, swung by the hand or wrist, or falling on an outstretched arm. One of the arm bones slips out of place slightly.
Numbness or weakness of the face, arm, or legs -- especially on just one side of the body
Slurred or unusual speech
Trouble seeing in one or both eyes
Trouble walking, dizziness, or balance problems