this is question 15085 in step 2 UWorld: A 62-year-old woman comes to the office accompanied by her daughter, who is concerned that her mother is depressed. The daughter says that since her father's unexpected death from a heart attack 2 years ago, her mother seems withdrawn and socially isolated. The patient reports that she still misses her husband terribly and thinks about him constantly. She says, "I can't believe he is gone." She feels guilty that she did not recognize his heart condition and blames herself for not insisting that he get medical care earlier. The patient does not have sleep or appetite disturbance, but sleeps on the couch because she can't bear to lie in the bed that she and her husband shared. She has stopped playing golf and attending concerts––activities that they had enjoyed together. The patient has no suicidal ideation. She continues to work at her part-time job and help her daughter with the grandchildren. Which of the following is the most likely explanation for this patient's symptoms?
answer is Persistent complex bereavement disorder