中暑是由于气温气湿过高和体内产热过多超过人体耐受限度,导致热平衡失调、水盐代谢紊乱、组织器官受损害等所引起的一类急性疾病。中暑的先兆症状有:疲乏无力、大量出汗、口渴、头昏、头痛、胸闷、恶心呕吐、注意力不集中、步态不稳等。出现中暑先兆后若不能及时减轻热负荷,可 Heat stroke is a type of acute illness caused by the over-temperature of air temperature and hyperthermia in the body that exceeds the limit of human tolerance, resulting in the imbalance of heat balance, the disturbance of water and salt metabolism, the damage of tissues and organs, and the like. Symptoms of stroke are: fatigue, fatigue, sweating, thirst, dizziness, headache, chest tightness, nausea, vomiting, loss of concentration, unstable gait and more. Suffering from heat stroke if the heat load can not be reduced in time