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噪声刺激使人体产生应激反应,使人心率加快,血管收缩,血压升高,甚至心律失常。噪音可引起入睡困难或失眠,对人体听力产生不良影响,使人不能安静,感觉疲劳,严重时可出现性情暴躁、易怒、工作效率下降。据测试手术室内平均噪音水平为60~65分贝,通常接近90分贝,而国际噪声委员会建议急诊区噪音平均水平白天不超过45分贝,晚间不超过40分贝,夜间不超过30分贝,手术室是高度脑力劳动和体力劳动
Noise stimuli make the body produce stress response, making people heart rate, vasoconstriction, high blood pressure, and even arrhythmia. Noise can cause difficulty falling asleep or insomnia, adverse effects on human hearing, people can not be quiet, feeling tired, severe may appear irritable, irritable, work efficiency decline. According to the test operating room average noise level of 60 to 65 decibels, usually close to 90 decibels, while the International Council of Noise recommends that the average noise level in the emergency room does not exceed 45 decibels during the day and night, not more than 40 decibels, not more than 30 decibels at night, the operating room is the height Mental and physical labor