ABPN C-L Psychiatry Practice Questions - ABPN Consultation-Liaison Psychiatry Subspecialty Certification Examination Exam

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A 78-year-old man is admitted for pneumonia and 2 days later develops acute confusion that waxes and wanes, inattention on digit span, and disorganized thinking. Using the Confusion Assessment Method (CAM), which combination of features is required to diagnose delirium?

Altered level of consciousness AND disorganized thinking only Any two of: acute onset, fluctuating course, inattention, altered level of consciousness Acute onset AND fluctuating course PLUS inattention, PLUS either disorganized thinking OR altered level of consciousness Visual hallucinations PLUS memory impairment

Correct Answer:

Acute onset AND fluctuating course PLUS inattention, PLUS either disorganized thinking OR altered level of consciousness

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