<prompt> A 40 year old man is showing symptoms of mania since few days. What is the minimum time duration for the diagnosis for mania?1 week2 week3 week4 week  <response>: A distinct period of abnormally and persistently elevated, expansive, or irritable mood, lasting at least 1 week or any duration if hospitalization is necessary. Ref: Harrisons Online Pa 17. Neurologic Disorders Section 5. Psychiatric Disorders Chapter 391. Mental Disorders Mood Disorders Bipolar Disorder Clinical Manifestations Table 391-10. 