• support@fourthfrontier.com
  • Hi from Australia, I’m in my 60s had a pacemaker implanted almost 2 years ago to deal with a 2nd degree block that was flaring up when my hr was up at 160bpm for more than 10min while cycling. I would feel dizzy & My hr would drop suddenly to below 80 & l would loose power.. however since the pacemaker things have been a little better and a…Read More

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