An 80-year-old retired engineer is brought to the office by hi | Uworld | Step 2ck

An 80-year-old retired engineer is brought to the office by his son for a routine check-up. The patient believes that his son is too greedy and wants all of his money. He accuses his son of "kicking him out of the house to get all of his property." The patient has been more forgetful over the last few years. He cannot recall recent events but occasionally recounts stories about being in the navy and his escapades while on shore leave. He has no significant medical history except smoking for 6 years when he was young. On exam, his temperature is 37.0 C (98.6 F), blood pressure is 138/88 mm Hg, pulse is 86/min, and respirations are 14/min. He is oriented to person and place only and is unable to cooperate with much of the cognitive examination. He has very poor short-term recall. He is unable to name the current American president and states, "I don't care to follow politics anymore." The neurological examination is nonfocaL Brain MRI reveals mild, generalized cortical atrophy and slightly reduced hippocampal volume. His rapid plasma reagin is negative; the result of a fluorescent treponemal antibody absorption test is nonreactive. Serum electrolytes and thyroid function tests are normal