A 73-year-old female is admitted for pneumonia. On day 3 of…
A 73-year-old female is admitted for pneumonia. On day 3 of hospitalization, she becomes increasingly inattentive, repeatedly asks the same questions, and misplaces her call light. She states, “I feel like my thoughts keep slipping away.” Neurological exam is non-focal, vitals are stable, and oxygen saturation is 91% on 2 L/min nasal cannula. Which finding most specifically reflects an acute core cognitive disturbance?