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SophHSIEH mark this message contains personal perspective
originally written by SophHSIEH
壓指甲看甲床是不是快速變回粉紅色,跟血壓、血液循環有關,但不建議拿來評估血氧量。

醫生說,如果指甲是紫色或黑色,就代表血氧非常差、要立刻送醫,但就算是粉紅色也不一定代表血氧量沒問題,因為隱形缺氧(或血氧低於 95%)可能很快就會變重症,所以還是以血氧機測量比較保險。

Opinion Sources

TFC:【事實釐清】網傳「按壓指甲看有沒有迅速從白色變粉紅色,可評估身體是否缺氧?」
https://tfc-taiwan.org.tw/articles/5773

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