• support@fourthfrontier.com
  • Hi, wonder if anyone can help/offer advice. I was feeling a bit off last night after 25 minutes on the turbo so decided to record my ECG through the night. Having woken up at 5am this morning , I felt like I’d been beaten up. Having looked at the data theres a fair few anomolies over a 30 minute period, along with sudden rise in HR and a change…Read More

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