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什么是献血反应?献血反应是献血者的生理、心理,采血环境以及采血护士、巡视医生的工作态度和操作技术等各种因素引起的以血容量急剧下降及植物神经功能障碍为特征的综合征。可分为:(1)轻度:献血时或献血后出现面色苍白、头晕目眩。(2)中度:除轻型症状外,尚有胸闷、恶心、呕吐、皮肤湿冷、心悸等。(3)重度:除上述症状外,还有明显的脑缺血症状,晕厥、抽搐、失去知觉、持续性低血压、心动过缓等。
What is the blood donation reaction? The blood donation reaction is a syndrome characterized by a sharp decrease in blood volume and autonomic dysfunction caused by a variety of factors such as blood donors ’physiology, psychology, blood collection environment, blood-taking nurses, touring doctors’ working attitudes and operating techniques . Can be divided into: (1) Mild: donated blood or blood appeared pale, dizzy. (2) Moderate: In addition to mild symptoms, there are chest tightness, nausea, vomiting, skin wet and cold, palpitations and so on. (3) severe: In addition to the above symptoms, there are obvious symptoms of cerebral ischemia, syncope, convulsions, unconsciousness, persistent hypotension, bradycardia and so on.