Delirium   Delirium is a temporary disorder of the mind marked by incoherent speech, ravings and hallucinations. It is aroused by high fever, or heat evils attacking the nutrient (ying) and blood (xue) system, that leads to disturbance in spirit and consciousness.		zhan yu 譫語   譫語指神智不清，胡言亂語的病患狀態。多由高熱、熱邪侵入營血等，擾亂神明(指思維意識活動)所引起。