A 74-yr-old woman is brought to the emergency department by her husband because of an episode of confusion. The day prior to her visit she attended a wedding at which she had "2 or 3" glasses of wine and afterwards felt extremely tired whereby she left early. When she got home, she went straight to bed without even undressing. She awoke about 3 h later and didn’t remember going to bed or that she had just been at a wedding. Both arms were painful when she awoke, and she noticed blood in her mouth. Her husband says she had been "tossing around in bed." She returned to bed and awoke in the morning several hours past her usual time. She and her husband thought these events were very unusual, and although she felt back to normal except for some slight soreness in her arms, she decided to go the emergency department.
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