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夏季老人易发生“热中风”的原因是: 1、当气温升至32℃以上时,虽汗液大量蒸发,热气随之散去,对人体防暑有益,但其代价是通过增加皮下血液循环的血流量比平常高出数倍来实现的。这种超常的血液循环,对有高血压、冠心病等心脑血管疾病的老人来说,无疑是一种不小的重负。这不仅可致血压升高,增加发生脑卒中的危险,而且当水分补充不足时,还会因血容量不足和
The reason why the elderly are prone to “heat stroke” in summer is as follows: 1. When the temperature rises above 32 ℃, although the sweat evaporates in a large amount, the heat will be dissipated, which is beneficial to human sunstroke prevention. However, the cost is increased by increasing blood of the subcutaneous blood Traffic is several times higher than usual. This extraordinary blood circulation, hypertension, coronary heart disease and other cardiovascular disease elderly, is undoubtedly a considerable burden. This can not only lead to elevated blood pressure, increased risk of stroke, but when the water is not enough, but also because of hypovolemia and