The answer depends on the clinical situation. Depending on the patient's age and health, and the context of the test, anything below 90-95% could be a cause for concern.
Pulse oximetry is the procedure for measuring oxygen saturation or level of oxygen in the blood. It is non-invasive and painless.
SPO2 or pulse oximetry
There are several sites that one can find more information about pulse oximetry. These sites include the pulse oximetry page of Wikipedia, World Health Organization, and Pulse Ox.
upper arm
First thing straight, you misspelled oximetry. Second thing is the definition of pulse oximetry is a noninvasive method allowing the monitoring of oxygenation of a patient's hemoglobin.
To determine the oxygen saturation of hemoglobin.
Analysis and implication of pulse oximerty findings
Yes as can the fingertips, toes and nose.
Pulse oximetry reading
Maybe you mean pulse oximetry. It is the measurement of oxygen in your blood. It is measured when they put that clip on the tip of your finger.
If you are talking about the pulse oximetry level (device is usually clipped to a person's finger or ear lobe), 100% is as good as it gets! That is perfect.
Pulse oximetry might be used for short-term continuous monitoring of a patient during surgeries, recovery from anesthesia, or in the emergency room to quickly assess oxygen levels in the blood. It provides immediate feedback on oxygen saturation levels and can help in making quick decisions about the patient's respiratory status.