How to measure blood oxygen levels and heart rate with Apple Watch

Now big tech is introducing more devices with health benefits

As soon as you follow the news of Apple Watch, surely you will know one of its main features: the heart rate sensor or oxygen saturation.

The Apple Watch will be able to tell you how often your heart is beating, or it could even help you detect covid, up to a week before the first symptoms of the disease appear. Not long ago, this was a feature reserved for very expensive devices, but it is gradually spreading and currently there is no smartwatch or quantizer device that does not have it built in.

How to measure blood oxygen levels with an Apple Watch

To use this feature, you must meet a number of requirements, such as having the application available in the country you live in, which can be found in the initial setup processes, and you must also have a compatible Apple Watch, as not all They include the necessary sensors. More specifically, the compatible models are:

  • Apple Watch Series 6 40 or 44mm
  • Apple Watch Series 7 41 or 45 mm.
    In addition, in all cases, you must have the latest version of watchOS installed, as well as an iPhone 6s or higher with the latest version of iOS available, as well as the requirement of being over 18 years of age to be able to use the application, since the algorithm has not been tested on minors.
    Initial setup
    When you set up your Apple Watch with sensors to be able to take the oxygen saturation measurement, a window will appear explaining how it works. Here you can click “Activate” to download the application. Then, in case you didn’t enable it in the initial setup, you can follow these steps:
  1. Open the “Health” application on your iPhone with the Apple Watch connected.
  2. Scroll down to the “Browse” tab.
  3. Follow the path Breathing – Blood Oxygen – Set Blood Oxygen.
    At this point, you will be prompted to perform the activation settings so that the data can be taken. In case the app doesn’t appear, you can simply go to the App Store and download the “Blood Oxygen” app to force yourself to have it.
    Take the measurement with an Apple Watch
    Once you have made sure that you have made the configuration that meets all the requirements in each case, it is time to take the action.
    To do this you must make sure that the Apple Watch has a good fit on the wrist but by no means tight. Your hand must be open and relaxed for the result to be as successful and faithful as possible. After you have followed these instructions, you just need to follow the steps below to take the measurement:
  4. Open the ‘Blood Oxygen’ app on your Apple Watch.
  5. Do not move and keep your wrist in a horizontal position, better if it is resting on a surface such as a table.
  6. Click “Start” and wait 15 seconds while the measurement is taking place.
  7. Once this measurement expires, you will have access to the result.