At Fitbit, we’re all the time working to determine new methods we will inform you extra about your body and your wellness with new and present know-how. As a part of our ongoing function improvement, we’ve enhanced how we measure your estimated blood oxygen saturation. We’re excited to announce that in choose markets, you’ll be able to entry it by means of the free SpO2 Signature clock face in your smartwatch, with the intention to monitor potential modifications in your wellbeing.*
What is Oxygen Saturation (SpO2)?
Blood oxygenation is an important part of your physique correctly metabolizing the power it wants to perform at an optimum degree. Our bodies distribute oxygenated blood to each a part of our physique—and SpO2 is the extent of oxygen in your blood.
Oxygen levels in blood have a tendency to stay comparatively constant, even during exercise and sleep. If the cardiorespiratory system is working and a person is respiration room air, sometimes a lot of the blood’s oxygen carrying capability is used, in order that blood oxygen saturation in the course of the day is usually between 95 and 100 %. When blood oxygen saturation ranges are significantly lower than normal, it may be detrimental to the functioning of the physique.
Nighttime SpO2 is often decrease than daytime SpO2 due to the truth that the whole quantity of air you breathe in tends to drop during sleep. In basic, SpO2 values throughout sleep are sometimes above 90 %. Tracking SpO2 may help you be more conscious of your oxygen saturation developments throughout sleep, which can enable you to study when there may be an indication of essential modifications in your fitness and wellness.
Of course, everyone’s oxygen ranges are totally different. If you want to see your SpO2 developments over time, you’ll find a way to view them in the new Health Metrics dashboard, coming quickly to Fitbit Premium members.**
How We Measure SpO2
There are several methods to evaluate the oxygen saturation in your blood. One technique includes truly getting a pattern of blood and utilizing laboratory chemistry gear to measure oxygen saturation, and while this is one strategy, it isn’t practical for many makes use of. That’s why it turned widespread to use pulse oximeters, which use optical methods to non-invasively measure SpO2.
How does it work? Deoxygenated blood, which is returned to your lungs by way of your veins, is a barely darker purple colour than the absolutely oxygenated blood in your arteries and arterioles (small blood vessels that deliver oxygenated blood to your tissues). By using Fitbit sensors to measure the relative reflection of purple and infrared mild out of your blood by way of your wrist, and seeing the way it varies as your heart beats, we will estimate your SpO2 value.
It’s essential to observe that Fitbit does not measure or display SpO2 values under 80 %. Fitbit SpO2 knowledge shouldn’t be meant for medical purposes, nor is it meant to diagnose, treat, remedy, or forestall any disease or condition. The knowledge offered by Fitbit SpO2 is intended to be an in depth estimation of your blood oxygen saturation ranges, however will not be precisely correct. You shouldn’t use or depend on Fitbit SpO2 for any medical functions.
With the SpO2 Signature clock face, your Fitbit smartwatch (Fitbit Ionic, Versa household, and Fitbit Sense) will monitor your average SpO2 levels when you’re sleeping. To get started, once it is out there, set up the SpO2 clock face, then go to sleep sporting your smartwatch with the clock face, and within about an hour of waking up, you’ll give you the option to see your common SpO2 and range. Plus, you possibly can anticipate extra SpO2 clock faces quickly to come in 2020!
If you’ve a Fitbit Premium membership, it is possible for you to to examine your developments in the upcoming Health Metrics dashboard. Want to study more about what you possibly can anticipate with Health Metrics? Read all concerning the new dashboard right here.
Not obtainable in all markets. This function is just not meant to diagnose or deal with any medical situation or for another medical function. It is intended to provide help to handle your properly being and maintain monitor of your info.
*Not out there in all markets. Availability will probably be rolling. You shouldn’t rely on SpO2 for any medical purposes.
**Coming soon. The Health Metrics dashboard and the metrics displayed in the dashboard will not be out there in all nations. The Health Metrics dashboard isn’t meant to diagnose or treat any medical condition and should not be relied on for any medical purposes.
This info is for instructional functions solely and is not meant as an alternative to medical analysis or remedy. You shouldn’t use this info to diagnose or deal with a health drawback or condition. Always verify together with your doctor before changing your weight-reduction plan, altering your sleep habits, taking dietary supplements, or starting a new fitness routine.