• support@fourthfrontier.com
  • My first time trying frontier out for my medical condition postural orthostatic tachycardia syndrome. I’m hopeful it will go good.

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    matt is feeling Weird

    I’m new here. Just admitted myself to the ER a week ago with….wait for it….caffeine intoxication. One medium latte on an empty stomach had my heart pounding through my chest continuously for 12 hours. Just ordered my frontier X as I’m still experiencing butterflies in my chest a week later. Will you let you all know you setup and initial…Read More

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  • New user. How do I export an ECG from an android phone?

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  • Not able to start the activity, can anyone share customer care number or mail id , phone and sensor not connecting

  • Clothing differences:
    Hi all, I’ve found that when I wear a dry-fit style top (the material that moist running singlets and t shirts are made of) next to my skin and frontier X I get much higher heart rate notifications that don’t relate to the effort I’m putting in and how I feel.
    This morning my reading was 165 (I wasn’t working that hard)…Read More

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