1 Day Of Dysuria in Medicine / Internal Medicine — 80yo Man | Infectious Diseases | SMLE Q#18457

SMLE Question #18457

Medicine / Internal Medicine Infectious Diseases

Objective: OBJ-001

Last updated: February 2026
An 80-year-old man is admitted with 1 day of dysuria, urinary frequency, and suprapubic pain. Several hours later, he becomes acutely confused and inattentive with a fluctuating level of alertness. Examination shows no focal neurologic deficits. Brain MRI shows mild cortical atrophy without acute infarct or hemorrhage. Which of the following interventions is most likely to reverse his CNS symptoms?

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