SOLVED2556

An 80-year-old man is admitted to the intensive care unit for lobar pneumonia. Two days later, he suddenly becomes agitated and confused. His medical history is significant for a mild neurocognitive disorder, hypertension, and chronic low back pain. He lives with his son and can perform his activities of daily living with minimal assistance. Vital signs are temperature 98.6° F (37° C), blood pressure 125/90 mm Hg, heart rate 77 beats per minute, and oxygen saturation 98% on room air. Physical examination reveals a restless older male who is disoriented to time, place, and person. He is inattentive and demonstrates incoherent thinking. He has no focal weakness or sensory loss. What is the most likely diagnosis? A. Dementia B. Withdrawal syndrome C. Delirium D. Medication toxicity
SCIENCE
HEALTH SCIENCE
NURSING

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