饮用淦河温泉下游河水对儿童健康的影响

长期饮用淦河温泉下游河水可使儿童头发中硒与硫的含量高出正常（指饮用自来水的）儿童约４倍，呈现高硫高硒体征，此体征儿童心率较慢，窦性心率不齐者增多，心房去极电位升高，心室去极和复极电位下降，Ｓ－Ｔ段移位例数和移位幅度均增加，心电图中的这些变化均在允许范围之内，但有些已接近病理边缘。红细胞数和血红蛋白量均略低于正常儿童。

Effect of Drinking Water Lower Gan River of Hubei Xianning Wenquan on the Health of Children

r:It has been discovered that drinking water for long from lower Gan River(in the area of Wenquan, Xianning City of Hubei)can cause the contents of selenium (Se)and sulphur(S)in childrens hair to increase,which may be 4 times as high as that in normal children's.The symptom with high Se and S emerges.The heart rate of the children with such sgmptom becomes slower.The number of the children with sinus arrythmia increases. Their atrial depolarining potential rises,their depolarining potential and repolarining potential of ventricle drop and dislocation range and amount of S-T increase.These changes in ECG are within the permitted range. but some of them are close to the pathologic borderline. The number of red blood cells and the amount hemoglobin are a bit lower than these of normal children.