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I'm new here, so apologies if I've missed anything but I can't find any direct information on my problem, so I'm asking your advice.
I'm 49, reasonably fit currently with cycling but have been involved in sports (running, volleyball, football, tennis, squash etc.) all my life - sadly retired from all those others now due to injuries, but still cycling (did the coast to coast a couple of years ago, planning to do the Ridgeway off-road in one day later this year...).
I use a heart rate monitor when cycling, and have done for the last 15 years (running too, back when I could), and have always seen heart rate spikes up to around 230 bpm, often in the early part of a ride (or run). Initially I put it dwn to faulty equipment or local signal interference, but many monitors with improved technologies later I still see the same effects regularly. When it happens I can discern an effect (and can predict the rise on the readout occasionally), but it is subtle and doesn't stop me riding at whatever intensity level I'm at.
Ten years ago I suffered a tachycardia after a game of football that lasted 12 hours or so, and underwent a battery of tests but they showed nothing aside from a leaky heart valve that wasn't considered overly worrying.
I went to my doctor last year to ask about the exercise HR spikes, but because I took HRM recordings as evidence he dismissed it as equipment failure and wasn't interested. I insisted he refer to a colleague and he agreed, but reported back that his colleague agreed with him.
They clearly weren't concerned... my question is, should I be? From all I've read I suspect it's probably supraventricular tachycardia (SVT), but of course that's not a diagnosis, and the doc didn't offer any suggestions.
So, do I need to worry about it? Or is it normal and harmless? If I can't get my GP to pay attention, what other options do I have?
Thanks for your time,
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