夏天,去野外作业要防中暑。中暑一般有先兆症状,如头晕眼花、胸闷心慌、口干口渴、恶心呕吐、虚汗淋漓、面色苍白或脸色潮红、出现休克等。此时若不注意,可突然晕倒、四肢痉挛、可因虚脱而死亡。倘若遇到上述先兆症状出现时,应立即把病人抬到阴凉通风处躺下休息,给病人解开衣扣,用冷水浸毛巾敷于头部和颈部,帮助散热。对已晕倒 Summer, to work in the field to prevent stroke. Stroke usually have aura symptoms, such as dizziness, chest tightness palpitation, dry thirst, nausea and vomiting, sweating, pale or flushed, shock and so on. At this point if you do not pay attention, you can suddenly fainted, limbs spasm, may die due to collapse. In the event of these aura symptoms, the patient should be immediately taken to rest in a cool and well-ventilated place to relieve the patient’s clothing and a cold towel over the head and neck area to help dissipate heat. Right fainted