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Dec 2018
2:16pm, 20 Dec 2018
33,557 posts
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Nellers
Wondering about something I experienced this morning while rowing.
I was doing a steady 10k, holding a nice even pace with a steady HR of about 136-140. After a bit more than half an hour I saw my HR spike to 168. I felt a bit wobbly and I could feel that my heart was racing a bit, so I'm pretty certain it wasn't just the strap playing up.
I eased off and took some easier strokes for a few seconds and my HR dropped back to 120-ish and I felt fine again after another few easy strokes. Once it did I carried on at the same steady pace and my HR settled back in the same 136-140 zone.
This hasn't ever happened before and I do record HR in pretty much all the training I do.
There was absolutely no pain at all in my chest at any stage.
I'm intending to carry on as before in terms of training but keep an eye on things and see if I get any more incidents. If I do I'll check with the GP.
Anyone else had any similar experiences? If so did it amount to anything? What was causing it?
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Dec 2018
2:23pm, 20 Dec 2018
65,726 posts
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Gobi
The fact you felt wobbly says you need to go to the GP in my view
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Dec 2018
2:30pm, 20 Dec 2018
33,558 posts
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Nellers
Wobbly like an adrenaline rush rather than wobbly like I was going to pass out.
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Dec 2018
2:33pm, 20 Dec 2018
39,965 posts
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GlennR
What Gobi said. Get on with it.
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Dec 2018
2:51pm, 20 Dec 2018
33,559 posts
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Nellers
Just rang the GP. No appointments today. I need to call back in the morning to see if they can fit me in tomorrow.
I'm guessing your advice will be to lay off any training until I've been checked out?
Also thanks both for being sensible for me.
(I hate having to be sensible.)
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Dec 2018
2:52pm, 20 Dec 2018
1,329 posts
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Flatlander
Could be an adrenaline rush, but was there anything that triggered it, if you were just steadily rowing? If you repeatedly get rushes for no reason, you need to go to your GP to check your adrenal glands.
If it's not a rush and you've excluded HR strap problems (battery not low?) then it may have been a transient tachycardia episode, possibly caused by dehydration (but then it's unlikely the HR would have returned to normal so quickly) or maybe paroxysmal atrial fibrillation or other arrhythmia, which is not uncommon. You need to go to your GP for an ECG to rule out any problem. If there is a problem, the longer it is left, the worse it becomes.
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Dec 2018
2:56pm, 20 Dec 2018
33,560 posts
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Nellers
Cheers Flatlander.
The only thing that might have caused an adrenaline rush would be realising my HR had suddenly spiked! No, I was just rowing steadily at fairly easy pace (about 70% WHR as a ceiling). Battery isn't showing signs of being low and once the incident had happened it returned to normal and read consistently through to the finish.
It was first thing int he morning before breakfast so there could have been a bit of dehydration but nothing major. Everything went back to normal afterwards.
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Dec 2018
3:01pm, 20 Dec 2018
33,561 posts
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Nellers
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Dec 2018
3:16pm, 20 Dec 2018
1,330 posts
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Flatlander
When you ring the surgery tomorrow, if they say again that they have no appointments, tell them you had an arrhythmia episode and they should give you an urgent/emergency slot that they hold back for such instances. Tell them it was an "arrhythmia" rather than something like "a strange heart beat" and they should take it more seriously.
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Dec 2018
3:25pm, 20 Dec 2018
555 posts
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Cog Noscensme AHA
If it is only induced by prolonged exercise it may be difficult to diagnose. Take a copy of the trace with you. In my recent experience GPs are quite focused on keeping people active so hopefully you'll get a helpful response.
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Daniels Running Formula. The Definitive Wire.
Jul 2023