Try to focus on one thing, and your eyes will keep moving around very slightly, even if you think you're holding them still.

Dr. Carrie Chui (Neurology): A 79-year-old man was admitted to this hospital because of involuntary movements on the left side and transient unresponsiveness. The patient had been in his usual state ...

The case description for a Case Records of the Massachusetts General Hospital appears below. What is the diagnosis? Cast your vote. The correct diagnosis, along with the full description of the case ...