Health encyclopaedia 健康百科全书

Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

Altitude sickness高原病

Altitude sickness (also known as acute mountain sickness) can occur in its mildest form at around 2500m (8000ft) above sea level (common ski resort height), but is more likely to occur, and to be more severe, at higher altitudes of 2500m and above.高原病（也称为急性高原病）可发生在其温和的形式左右2500米（ 8000英尺）海平面以上（共同的滑雪胜地的高度） ，但更可能发生，并会更严重，在更高的高度二千五米及以上。

As you go higher the air still contains the normal amount of oxygen (21%), but atmospheric pressure decreases which results in each breath containing fewer molecules of oxygen. For example, at 5500m (18000ft), each breath will contain roughly half the normal amount of oxygen.正如你去越高，空气中仍含有正常数量的氧气（ 21 ％ ） ，但大气压力的结果，其中跌幅在每呼气包含较少的分子氧。举例来说，在五五零零米（一八〇 〇 〇英尺） ，每呼气将载有大约一半的正常金额氧气。

The onset and severity of symptoms, and the altitude at which they are experienced, vary according to the individual, the rate of ascent, and the amount of time spent at high altitude.发病和严重程度的症状，海拔在他们都是经验丰富，依个人，利率上升，以及大量的时间用在高海拔地区。 In most cases symptoms develop 24-36 hours after arrival at altitude, and begin to ease within 48 hours as the body acclimatises (gets used to it).在大多数情况下，症状发展， 24-36小时后到达海拔，并开始以纾缓在48小时内为机构acclimatises （获得使用它） 。

• Symptoms 症状
• Causes 原因
• Diagnosis 诊断

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