system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 28-year-old woman presents with depressed mood lasting for most days of the week for the past month. She also mentions that she has lost her appetite for the past 3 weeks. She adds that her job performance has significantly deteriorated because of these symptoms, and she feels like she will have to quit her job soon. Upon asking about her hobbies, she says that she used to enjoy dancing and music but does not have any desire to do them anymore. The patient’s husband says that she has had many sleepless nights last month. The patient denies any history of smoking, alcohol intake, or use of illicit substances. No significant past medical history. Physical examination is unremarkable. Routine laboratory tests are all within normal limits. Which of the following clinical features must be present, in addition to this patient’s current symptoms, to confirm the diagnosis of a major depressive episode?
assistant
Lack of concentration