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  1. #1
    ride lots be safe Creakyknees's Avatar
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    Atrial fibrillation and endurance sport practice

    "Patients with a history of endurance sports before ablation (n = 31) developed significantly more atrial fibrillation than controls or those with a history of other type of sports activity after flutter ablation"

    Endurance sport practice as a risk factor for atrial fibrillation and atrial flutter
    "have fun and be kind"
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  2. #2
    Senior Member
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    AF is still not well understood even by cardiologists. I can remember episodes of AF as far back as 1969 when I was 22 though I didn't know what it was at the time. Surprisingly vigorous exercise almost never triggers it my case. It takes a combination of factors which includes but is not limited to stress and esophageal stimulation (burp that starts very low and takes longer than normal), the esophagus is very close to the atrium and likely expands into it. I'm not too impressed with all the hype about stroke either that pushes dangerous blood thinners. I take a low dose aspirin twice a day. I also take Amlodipine to control blood pressure. It seems to slow my pulse a little and works well to counteract Raynauds in cold weather.

  3. #3
    Senior Member cderalow's Avatar
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    AF is fun for me (at age <32).

    mine is sporadic fortunately, and i'm not even sure wtf triggers it to be honest. i've only had a couple of episodes while riding, and lets just say I keep my blood pressure up to prevent spontaneous passing out when it does happen.

  4. #4
    Senior Member dadof7's Avatar
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    runs in the family for me, and got much worse when I went over the top cycling. (read trained at the expense of sleep) Triggers for me, #1 lack of sleep, 2, stress and 3 high sugar. Have been reading of a correlation of LOW TESTOSTERONE with afib. Hmmm , endurance sports will tend to hammer the hormones , and a fib hits at the time men's testosterone starts to drop... Also endurance will induce mineral imbalance(calc, magnesium) Lots of mineral loss with endurance. (thus the loss of bone density) low Testo causes, you guessed it , calcium loss from heart muscle....Going for a testosterone test and if low will try natural testo remedies, and sufficient sleep. Afib has nearly done me in as every time I start up training a fibs puts me out for a few days.

  5. #5
    Ninny globecanvas's Avatar
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    I have SVT, which is the ventricular version of afib. Lack of sleep, stress, and dehydration are triggers. I do not think that caffeine is a trigger fwiw. Episodes are almost always correlated with very hard physical efforts, specifically with not cooling down properly after a max effort, and seem to come in clusters -- nothing for a year, then episodes every week for a month, then nothing for a year. My dad has it too, worse, he has required ER cardioversion (defibrillation) several times.

    In between races today I had an SVT episode, first one I've ever had in a race context. The first race ended with a 3 minute very hard effort, then I had to get right to the line to start the next race. SVT kicked in and my HR doubled. I told my buddy "crap, my heart just broke" and went to lie down in the grass. I took my jersey off and lay on my back next to the staging racers, changing my race numbers and trying to be still enough for the episode to break. I'm sure it looked totally weird. After about a minute the episode broke so I got up and lined up for the next race, which went fine.

    One interesting thing my cardiologist told me a while ago is that SVT and afib can get worse with age, but it can also get better. Like Ray9 said, it's not well understood.

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