A 60 year man had undergone cardiac bypass surgery 2 days back. Now he started forgetting things and was not able to recall names and phone numbers of his relatives. What is the probable diagnosis :
The tendency to forget and inability to remember events immediately after cardiac bypass surgery suggests a diagnosis of cognitive dysfunction. Cognitive dysfunction present with impaired memory & intellect. Major surgery like prolonged cardiopulmonary bypass is one of the most consistent risk factors for cognitive dysfunction.
Depression
Post traumatic psychosis
Cognitive dysfunction
Alzheimer's disease