![]() ![]() This will vary by degrees of physical fitness, as Lance Armstrong is famously known to have a heart rate of 39 at rest!Īn oxygen saturation of 96-100% is generally considered normal. Is that normal?Ī resting heart rate of 100 beats per minute and below is generally considered normal. I used the pulse ox, and it says my heart rate is 100 and my oxygen level is 98%. The pulse ox component is more likely to be relevant in respiratory infections, like pneumonia, severe bronchitis, asthma and COPD exacerbations, or at altitude. Heart rate and oxygen saturation, as measured by the pulse ox, provide two vital signs that can help guide diagnosis and treatment of illness. If you're feeling sick, you could consider measuring your heart rate and oxygen level with the pulse ox. Photo: A pulse oximeter's light passes through a finger or toe, and measures the saturation of oxygen in that tissue. This is referred to as “non-invasive,” because no blood needs to be drawn. The device uses a calculation based off the wavelength of light passed through the blood in a peripheral body part (usually a finger or toe) to estimate the saturation of oxygen in that tissue. The value that is produced by the pulse oximeter is called “SpO2” (standing for peripheral saturation of oxygen). Specifically, it estimates oxygen saturation of your arterial blood (the blood that delivers oxygen from your heart to your tissues). The “pulse ox,” or pulse oximeter, is a cheap, portable device that allows you to measure your pulse (heart rate) and estimate the level of oxygen in your blood.
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