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发热,即体温异常升高,是许多疾病发生过程中最常见的症状。按体温高低分为四种程度(均以腋下体温为标准):①低热,37.5~38℃。②中热,38.5~39℃。③高热,39.5~40℃。④超高热>40℃。小儿年龄越小,低温调节越差,体温极易波动。引起发热的原因有感染性,如细菌、病毒、支原体、真菌等和
Fever, an abnormal increase in body temperature, is the most common symptom of many diseases. According to the level of body temperature divided into four levels (both armpit body temperature as a standard): ① low fever, 37.5 ~ 38 ℃. ② medium heat, 38.5 ~ 39 ℃. ③ high fever, 39.5 ~ 40 ℃. ④ ultra-high heat> 40 ℃. The younger children, the lower the temperature regulation, the body temperature can easily fluctuate. Causes of fever are infectious, such as bacteria, viruses, mycoplasma, fungi and so on