Subtle neuropsychiatric sequelae of carbon monoxide intoxication: two case reports.

Carbon monoxide intoxication may result in subtle neuropsychiatric abnormalities that can be overlooked, misdiagnosed, or not fully appreciated. The author describes two patients who developed subtle but troublesome emotional cognitive problems following carbon monoxide poisoning and stresses the value of sequential neuropsychological testing and judicious psychiatric counseling in such cases.