Accidental hypothermia can result from falling into cold water or overexposure in cold weather. Underlying conditions such as cerebrovascular disease or intoxication increase the risk from exposure.

• 浸在冰冷的水中,或严冬季节在雪地逗留时间过长,可引起急性体温降低。不过这种情况发生前,即存在有脑血管疾病或中毒时,会增加其危险性。