Talk:Oxygen saturation (medicine)

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Haemoglobin saturation curve needs legend

The Haemoglobin saturation curve has 3 series: a dotted green series, a solid blue series, and a dotted red series. Can anyone provide a legend so the reader knows the difference between the 3 series? Or perhaps this can be explained in the caption below the chart.

moving the info

I'm moving the info from oxygen saturation over here, with basic info from here over there. Makes more sense that way, any objections let me know. Silenceisgod (talk) 22:46, 22 February 2011 (UTC)[reply]

Technical Error?

I think I see a technical error but don't know the correct number Look at the third line on the table and I bet "80%" should read "60%". The line reads as below.′ 80% and less Loss of consciousness on average — Preceding unsigned comment added by 47.144.149.166 (talk) 04:47, 30 September 2019 (UTC)[reply]

We need better references and a better explanation of why the oxygen level fluctuates during the day and what is normal

cf "The needs of the body's blood oxygen may fluctuate such as during exercise when more oxygen is required [3]" - this reference 3, refers to https://www.fitday.com/fitness-articles/fitness/cardio/understanding-blood-oxygen-levels-at-rest.html - stating just that - there's no reference to any scientific literature. E.g. you have your teenager running around with an oxygen meter during covid19 and see they come home and has a saturation of only 87 one day and 2 other days it's only 88. How to interpret that? Please help. Thy, SvenAERTS (talk) 20:23, 14 March 2021 (UTC)[reply]

Effect of altitude

"Normal arterial blood oxygen saturation levels in humans are 97–100 percent."

Should add that this is only "at sea level". See e.g. [1].

Notably, "normal" is implicitly defined as for healthy humans with no abnormal physiology. Humans living at high altitude can still be healthy and with no abnormal physiology.

—DIV
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(49.186.85.199 (talk) 06:14, 28 November 2023 (UTC))[reply]