an O2 saturation of 91 while breathing regular room air in anyone is low, however many O2 stat meters do not fit small children well, try taking several different readings on different thumbs/toes and see what you get. If you continue to get a reading of 91 schedule a doctor's appointment.
That's slightly below normal, 97-100%.
This is normal.
Oxygen levels should be 98% or higher. Find professional help at a hospital. Right now!
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97% is the normal oxygen saturation.
no it is not send him to the hosipital immediatly or he could be facing death
Yes, level 5 is good for a year 6. Here is a simple table to show you the expectations of a child: Level W Working towards level 1, very weak Level 1 Average for a typical 5 year old Level 2 Average for a typical 7 year old Level 3 Average for a typical 9 year old Level 4 Average for a typical 11 year old Level 5 Average for a typical 13 year old Level 6 Average for a typical 14 year old Level 7 Above average for typical 14 yr old Level 8 Only available in maths Hope this helps :) http://www.satsguide.co.uk/what_are_sats.htm
It is adequate and not something to worry about.
don't worry about your weight! you're ten
on b/c he is not a adult so dont worry
If it is your oxygen level how old are you? and IRS ok its not perfect but you should be fine if it doesn't go back up to 100 go see your doctor.
That is reasonably low on air, it needs to be investigated.
YES.You are not on the same level of maturaty at all.