A young patient was admitted to hospital with acute psychosis. He wakes up and asks for his wife who was there in the same room in the same area. Upon seeing her, he staed beating her thinking that it was nurse who was masquerading as his wife. He also said she was the same nurse who gave him wrong medication 2 days back and now now wants to harm him again. Likely diagnosis?

Capgras syndrome - Belief that a familiar person has been replaced by stranger Fregoli syndrome - Familiar person is imposing as a stranger and can take multiple different appearance Delusion of subjective disorder- Patient believes that there is multiple double of him/her living their own life Othello syndrome - Pathological jealousy or morbid jealousy that arise from multiple concerns. It is seen in heavy alcohol use