#may2020mccqe1
A 75-year-old woman is evaluated in the emergency department after she was witnessed driving erratically on a city street. Initially, the patient was unable to answer any questions and had difficulty with her speech. Twenty minutes later, her speech was fluid, and, although she did not have any recollection of the past few hours' events, she was able to provide some details of her life, including her husband's name. When her husband arrived, the patient was able to recognize him, but 10 minutes later she did not recognize him. No evidence of hallucinations or delusions exists. The husband reports that the patient has had a gradual and progressive cognitive impairment over the previous 5 years for which she takes donepezil. She often awakens at night and roams about the house. She has chronic problems with her memory and managing activities of daily living. Which of the following is the most likely diagnosis?
(A) Delirium
(B) Delirium superimposed on dementia
(C) Dementia
(D) Psychosis
A 75-year-old woman is evaluated in the emergency department after she was witnessed driving erratically on a city street. Initially, the patient was unable to answer any questions and had difficulty with her speech. Twenty minutes later, her speech was fluid, and, although she did not have any recollection of the past few hours' events, she was able to provide some details of her life, including her husband's name. When her husband arrived, the patient was able to recognize him, but 10 minutes later she did not recognize him. No evidence of hallucinations or delusions exists. The husband reports that the patient has had a gradual and progressive cognitive impairment over the previous 5 years for which she takes donepezil. She often awakens at night and roams about the house. She has chronic problems with her memory and managing activities of daily living. Which of the following is the most likely diagnosis?
(A) Delirium
(B) Delirium superimposed on dementia
(C) Dementia
(D) Psychosis
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