World Record Breath-Hold Freediving Diagnosed With Myopericarditis After Pfizer Vaccine

Florian Dagoury: World Record Holder In Static Breath-Hold Freediving Diagnosed With Myopericarditis After Pfizer Vaccine, Possible End Of Career


Florian Dagoury, currently the world’s top static breath-hold free diver, has been diagnosed with myocarditis and pericarditis 40 days following his second dose with the Pfizer vaccine. He is known for the fact he officially held his breath for 10 minutes and 30 seconds. The elite Freedriver, of French origin and based in Thailand, experienced a significant decrease in his breath-hold ability and went to a cardiologist who told him that it’s a common side effect of the Pfizer vaccine.


Florian shared his experience on Instagram:

Myocarditis, Pericarditis and Trivial Mitral regurgitation! Thank you Pfizer.

Just want to share my annoying experience after vaccination and perhaps have some testimonials and similar stories around Freedivers. Did you get better?

After my 2nd dose I noticed that my heart rate was way higher than normal and my breath hold capacities went down significantly. During sleep, I’m at 65-70bpm instead of 37-45bpm.


During the day I’m now always over 100bpm instead of 65bpm, even when I sit down and relax. I once even reached 177bpm while having dinner with friends !!!! 10 days after my 2nd jab, I went to see a cardiologist and he told me it’s a common side effect of Pfizer vaccin, nothing to worry about, just rest it will pass.


40days after 2nd jab, I had no progress so I went to see another cardiologist and got diagnosed with Myocarditis, Pericarditis and Trivial Mitral regurgitation! Which is basically an inflammation of the heart muscles caused by the immune system and some tiny leaks of blood from the valves that no longer close properly.

I’m now struggling to reach 8min breath hold, 150m dyn and I even have a strong urge to breathe doing 40m dives. 30% decrease on my diving performance roughly.

My first thought and recommendation to Freedivers around the world is to choose a vaccine which is done the old fashion way like Sputnik, Sinovac, Sinopharm etc…instead of those new mRNA vaccines.


The news comes shortly after French tennis player Jérémy Chardy and triathlete Antoine Méchin were forced to suspend their seasons after a severe adverse reaction to the COVID-19 vaccine.

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