“窦性心动过速”是迷走神经张力低下,交感神经兴奋增高所致。从节律上无改变,心率在100%～150分/次左右,症状有:心悸,头晕,心电图示部波为窦性型,P—R间期大于0.12秒。我厂女工占90%,年龄大多在20～30岁之间,在门诊的病例中占30%。从生理病理角度认为“功能性疾病”与植物神经系统紊乱有关。从病因学上认为有有以下几方面因素: 1.纺织工人工作环境一般在70～80bB噪音下工作,精力比较集中,看机台面大来回走动,产 “Sinus tachycardia” is vagus nerve tension is low, increased sympathetic stimulation. No changes from the rhythm, heart rate at 100% to 150 points / time or so, the symptoms are: palpitations, dizziness, ECG wave Ministry for the sinusoid, P-R interval greater than 0.12 seconds. I plant 90% of women workers, mostly aged between 20 to 30 years old, accounting for 30% of out-patient cases. Physiological and pathological point of view that “functional disease” and autonomic nervous system disorders. From the etiology that there are the following factors: 1. Textile workers working environment is generally 70 ~ 80bB noise work, concentrate more energy, look at the machine table back and forth walk around, production