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A pulse oximeter measures your blood oxygen levels and pulse. A low level of oxygen saturation may occur if you have certain health conditions. Your skin tone may also affect your reading. Pulse ...
A pulse oximeter reading indicates what percentage of your blood is saturated, known as the SpO2 level. A typical, healthy reading is 95–100% . If your SpO2 level is less than 92% , a doctor may ...
But a pulse oximeter reading is simply an estimate. For example, a reading of 90% oxygen saturation on an FDA-approved prescription machine could mean anything from 86% to 94%. In addition, a ...
Follow these steps: Turn on the pulse oximeter and place it on your fingertip, ideally the middle or index finger. Sit still and avoid moving while the device reads your oxygen levels and heart ...
A pulse oximeter gives you your blood oxygen level as a simple percentage. Any pulse oximeter reading of lower than 90 percent is a sign you need to seek urgent medical care.
Pulse oximeters make a useful tool in determining the amount of oxygen in your blood. However, sometimes reading errors happen. Aspects that affect pulse oximeter readings include:
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