what in the ER for an asthma attack, what O2 saturation level is o.k. for discharge?

what in the ER for an asthma attack, what O2 saturation level is o.k. for discharge?
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A: A normal oxygen saturation (sat) for any person is 98%.  An acceptable sat for a 7 year old depends on the doctor and the presentation of the child.  Recent studies show that a 90% sat is acceptable to go home.  Still, our doctors usually like it to be 92% or better -- or even 94%.  So you can see there is some flexability.  This would be a great question to ask your doctor.   Do you need a pulse oximeter for home use?  I think it would be rare for a doctor to recommend this for home use, but I''m sure there are exceptions
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