這是陳衛華醫師示範 如何測試自己有沒有缺氧,方法很簡單~「只要壓住大拇指尾端變白了 再放掉2秒鐘回復紅潤顏色」表示很健康 每天可以測試一下 早安🌸
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賢慧的褒忠潘娜洛普

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Lin mark this message contains misinformation
originally written by Lin
按壓手指後將手放開,血液會回流、指甲甲床變回粉紅色是指「微血管回充」,跟血壓、血液循環比較有關,而與血氧濃度無關。

也就是說,血壓低者,末端循環可能較差,按壓時手指甲會變白,血液能不能及時、迅速回充,與血壓比較有關。不過,血壓低者,血氧濃度也可能比較不好。

對於高風險者(如呼吸有狀況者),必須要血氧機持續監測,也不能就看指甲顏色來判斷。

References

https://tfc-taiwan.org.tw/articles/5773

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