See the Samsung Galaxy S5's heart rate monitor in action

Here's how to put your finger on the pulse of your own pulse, right from Samsung's next superphone.

Survey your health on using the Samsung Galaxy S5's built-in heart-rate monitor. Sarah Tew/CNET

BARCELONA, Spain -- Exercise aficionados who want to log their heart-rate after a workout and even in between have a new tool in the Samsung Galaxy S5.

Using it is as simple as selecting the heart-rate monitor icon from within Samsung's newly-updated S Health 3.0 app, which comes preloaded in the Galaxy S5. Then, you place your index finger on the center of the flash module, just to the right of the flash.

The app wants you to hold your finger in place for several seconds, while holding still and shutting your yap as the monitor calculates. Your results don't mean a lot on their own, but when you track your heart rate over time, you can watch your progress as your blood pressure rises and drops.

For even more heart-rate action, check out the photo gallery and video here. Then, catch all the mobile news from Mobile World Congress 2014.

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