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鼻腔容易出血与鼻子的生理构造关系密切。鼻子分左右两个鼻腔,由鼻中膈分开,鼻腔内有一层粘膜,在鼻中膈的前下方有一个医学上称为李氏区的部位,这个部位粘膜很薄,毛细血管丰富。当外界气候环境变化、孩子玩耍不慎碰伤或因感冒鼻塞而用力挖鼻孔时,就很容易引起鼻出血。幼儿鼻出血时,成人可用湿毛巾冷敷幼儿头部前额,使李氏区毛细血管急剧收缩,起到止血作用。然后用
Nasal bleeding and nasal bleeding are closely related to the physiological structure. Nose around the two nasal cavity, separated by the nasal diaphragm, the nasal cavity has a layer of mucosa, in front of the nasal septum, there is a medically known as Lee’s area of the site, this site mucosa is very thin, rich in capillaries. When the outside world changes in the climate, children accidentally bumps or forced nose digging due to cold stuffy nose, it is easy to cause nosebleeds. Infantile nosebleeds, adult wet towel can be used to cool the forehead of young children, so that the rapid contraction of capillary zone Lee, play a role in hemostasis. Then use