manic episodeA manifestation of bipolar disorder which:
• Is characterised by elevated, expansive or irritable mood, lasting for at least one week, which is severe enough to cause difficulty or impairment in occupational, social, educational or other important functioning;
• Is not better explained by a mixed episode;
• Is not attributable to abuse substances (e.g., alcohol or drugs) or medications with psychoactive effects;
• Is not caused by a general medical condition.