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Thank you for posting this. I received my 1st Pfizer vaccine in June and around 3 weeks after the vaccine I started experiencing frequent irregular heartbeats.

Thank you for posting this. I received my 1st Pfizer vaccine in June and around 3 weeks after the vaccine I started experiencing frequent irregular heartbeats. Sometimes it was every day, then sometimes once or twice a week. I still experience ectopic heartbeat now (although much less frequently) as a result of the vaccine 6 months later. I used to drink lots of coffee, but quit all caffeine in my life due to the risk to my heart! I reported this to the yellow card scheme, but I'm very glad to see more research being done and awareness.

matsemann 5y ago
> as a result of the vaccine Can you really know that?
- arein3 5y ago
  Must have been a coincidence
stanislavb 5y ago
Yeah, I think I’m experiencing the same thing :/… I just hope it goes away
chki 5y ago
> I received my 1st Pfizer vaccine in June and around 3 weeks after the vaccine I started experiencing frequent irregular heartbeats. Sometimes it was every day, then sometimes once or twice a week. I still experience ectopic heartbeat now (although much less frequently) as a result of the vaccine 6 months later. Way before Covid I had a panic attack which led me to believe that my heart was not working properly. I got everything checked and it was all good but in the following months I regularly noticed irregularities which have since subsided. I'm almost sure that this was not due to any actual change but the main reason was that I was simply observing my heartbeat much more closely, feeling my heart racing etc. which was in turn actually making my heartbeat more irregular. Of course your problem might be more physiological but I just want to point out that mind and body are closely connected and it's very difficult to observe such an effect and pinpoint it to a certain event (for example the vaccination).
- icoder 5y ago
  Plus, we humans are really bad at disentangling cause and effect in daily life. Everyday there's people that get sick or notice something, so if we all take a vaccin, by definition some will get sick or notice something right after the vaccin, albeit by accident. That's not to say that's the case here, it's simply why, as the parent (and OP) also states (so I think we're all on the same page here, just adding another thought), research is important.
- raxxorrax 5y ago
  https://www.standard.co.uk/news/health/post-pandemic-stress-disorder-heart-conditions-covid-london-physicians-b969436.html#comments-area https://www.standard.co.uk/news/health/post-pandemic-stress-... It is just stress...
hammon 5y ago
I think now, almost everybody knows someone with your problem. Really sorry to heard, I hope you will recover! No vaccine should damaged an healthy person, and nobody should be forced to a treatment (Norimberga anyone?). We need more studies and data like this. Why governments don't push for studies? I remember doctors and media denying AstraZeneca Blood cloths for months, before they added to the official adverse reaction list, finally.
- detaro 5y ago
  > Why governments don't push for studies? Where do you get that idea? I mean, you literally are commenting on a study run by people involved in a government decision-making process.
- matthewmacleod 5y ago
  I think now, almost everybody knows someone with your problem. This seems unlikely, given the relative rarity of these events. No vaccine should damaged an healthy person Every vaccine ever created can have adverse effects on healthy people. Why governments don't push for studies You are literally commenting on a study. I remember doctors and media denying AstraZeneca Blood cloths for months Your memory is wrong.
  - jcbrand 5y ago
    >> I remember doctors and media denying AstraZeneca Blood cloths for months > Your memory is wrong. There are "fact-checks" still online claiming that AZ doesn't cause blood clots. https://eu.usatoday.com/story/news/factcheck/2021/03/25/fact-check-astrazeneca-vaccine-blood-clots-not-definitively-linked/4721828001/ https://eu.usatoday.com/story/news/factcheck/2021/03/25/fact...
    - technothrasher 5y ago
      The early "fact-check" you linked to doesn't claim "that AZ doesn't cause blood clots". Its conclusion: "Whether there is an actual connection is still under investigation and will be closely monitored as vaccination with AstraZeneca's vaccine resumes."
thyme_tea 5y ago
I had an EKG done like a month ago for this reason. Turns out irregular heartbeats are a very normal thing in the amount I was experiencing them. In addition, I spent a lot of time indoors, sitting or lying on a couch, stressing about my health and the world, thus overreacting to normal changes in heart rhythm due to the sympathetic and parasympathetic system handing off to each other. I've been fully vaccinated since August. edit: Spelling, wording
chinathrow 5y ago
> I still experience ectopic heartbeat now (although much less frequently) as a result of the vaccine 6 months later. Are you confident that this is related to getting vaccinated? I also got irregular heartbeats a couple of years ago (long before I got vaccinated against Covid), mine are called premature heart beats (https://en.wikipedia.org/wiki/Premature_heart_beat https://en.wikipedia.org/wiki/Premature_heart_beat) and they're harmless as long as they stay under a certain of times per minute, according to my cardiologist (after extensive tests).
figaroniguzo 5y ago
Same here. I couldn't go for runs for 4-5 weeks after the first dose. I also had COVID prior and was back on my feet after 3 days. I'm fine now but worried about getting boosted.
jpe90 5y ago
The study states that 0.004% of vaccine recipients were hospitalized from myocarditis. 1,615 out of 38,615,491. NIH estimates that 31.1% of U.S. adults will experience an anxiety disorder at some point in their lives. https://www.nimh.nih.gov/health/statistics/any-anxiety-disorder https://www.nimh.nih.gov/health/statistics/any-anxiety-disor.... I would encourage you to discuss with a licensed medical professional about which you are more likely to be experiencing.
- whitepaint 5y ago
  Does anxiety produce ectopic heartbeats?
  - afarrell 5y ago
    Yes https://www.nhs.uk/conditions/heart-palpitations/ https://www.nhs.uk/conditions/heart-palpitations/
    - deleted 5y ago
      [deleted]
  - ImaCake 5y ago
    Not sure about irregular heart beats. But when I was burning out from my PhD a very heavy and intense heart beat was the most notable physical symptom. There was no underlying problem, I was just going through a great deal of emotional stress. The problem with anxiety is that it leads to intense heart beating and your anxiety then leads you to assume something physically wrong with your heart. You don’t think rationally on stress!
  - eloeffler 5y ago
    Does myocarditis produce ectopic heartbeats?
- tpoacher 5y ago
  You have the priors the other way round. The old adage "when you hear gallopping think horses, not zebras" is not valid if you're in a place where zebras are common and horses aren't. What you say could be true if this person had experienced such events prior to vaccination as well. Otherwise the probability of having a first episode of ectopic beats within 28 days of the vaccine is far less likely to be due to anxiety in the absense of previous history of anxiety, let alone one with rare symptomatology.
Croftengea 5y ago
I'm not sure if it's the same thing but a few weeks after my 2nd shot of Moderna I feel like my chest (heart? lungs?) squeezes for a few seconds and then I have problems breathing normally for a few hours after that. This repeats almost every day. I had my heart and lungs checked but found no obvious problems. I don't know what to do or what additional tests necessary but hope this goes away :(
- bildung 5y ago
  Please interpret my comment in a benevolent way: Have you considered that you perhaps experience panic attacks? It is pretty common especially for males to experience panic attacks as primarily physical. Can you perhaps find a pattern in your behaviour or experiences before you have those squeezes (i.e. some part of your work routine, or specific thought patterns)? Whether physical or psychological, it might be worthwhile to write some kind of symptom diary after each event.
  - Croftengea 5y ago
    Thanks for your comment, I haven't looked at it this way. It happens randomly also often when I'm in an inactive and relaxed state. But I'll pay closer attention to external circumstances.
- garganzol 5y ago
  > I feel like my chest (heart? lungs?) squeezes for a few seconds Do you feel pain when this happens? > then I have problems breathing normally Does your breathing rate increase? (hyperventilation) Next time this happens you can undertake a small test. Take 15 g of sugar in one go and see whether you experience an immediate improvement. This test will show whether the condition is related to decreased ATP production which is known to cause panic attacks in some people (false hypoglycemia). If you see an improvement from sugar then it means it is related (you can take a look at my other posts to see how to manage that). Other tests that may be helpful for you: HOMA-IR, A1c, Low-Density Lipoprotein (LDL), High-Density Lipoprotein (HDL), Cholesterol, Triglycerides, Gamma-glutamyl Transferase (GGT).
brzozowski 5y ago
I also experienced an irregular heartbeat for several months after receiving the Moderna vaccine (June, 2021) up to this month (December, 2021). It seems to be getting better, but is accompanied by a mild pain, tightness in the chest and shallow breath. This is despite regular diet, exercise and otherwise normal health. I am 31 years old.
- antocv 5y ago
  The damage to your heart is too mild to be considered worthy of study. Asymptomaptic covid-19 is more worthy of study and effort to prevent it.
- raxxorrax 5y ago
  Heart problems did increase in young people in a significant way. To my knowledge this trend began before Covid though.
madjam002 5y ago
Same, I first went to my doctor about this 6 months ago now and only just now have they acknowledged it might be myopericarditis. Anxiety has been discussed but it is unlikely as it gets worse with exercise. I’m still waiting on an echocardiogram after 5 months.
mint2 5y ago
PVCs and other irregular rhythms are quite common and related to stress and a lot of other things. They’re also highly disconcerting. But anyway, it’s always tempting to find a cause or one something to blame, very human to do but easy to scapegoat the wrong thing. Not saying you’re wrong but Be careful about attributing causation without solid evidence, which is often hard to come by.
bigyellow 5y ago
I hope someone else appreciates the ridiculousness of quitting caffeine for health, but gladly accepting an unapproved experimental drug into their body.

matsemann 5y ago

> as a result of the vaccine Can you really know that?

arein3 5y ago
Must have been a coincidence

stanislavb 5y ago

Yeah, I think I’m experiencing the same thing :/… I just hope it goes away

chki 5y ago

> I received my 1st Pfizer vaccine in June and around 3 weeks after the vaccine I started experiencing frequent irregular heartbeats. Sometimes it was every day, then sometimes once or twice a week. I still experience ectopic heartbeat now (although much less frequently) as a result of the vaccine 6 months later. Way before Covid I had a panic attack which led me to believe that my heart was not working properly. I got everything checked and it was all good but in the following months I regularly noticed irregularities which have since subsided. I'm almost sure that this was not due to any actual change but the main reason was that I was simply observing my heartbeat much more closely, feeling my heart racing etc. which was in turn actually making my heartbeat more irregular. Of course your problem might be more physiological but I just want to point out that mind and body are closely connected and it's very difficult to observe such an effect and pinpoint it to a certain event (for example the vaccination).

icoder 5y ago
Plus, we humans are really bad at disentangling cause and effect in daily life. Everyday there's people that get sick or notice something, so if we all take a vaccin, by definition some will get sick or notice something right after the vaccin, albeit by accident. That's not to say that's the case here, it's simply why, as the parent (and OP) also states (so I think we're all on the same page here, just adding another thought), research is important.
raxxorrax 5y ago
https://www.standard.co.uk/news/health/post-pandemic-stress-disorder-heart-conditions-covid-london-physicians-b969436.html#comments-area https://www.standard.co.uk/news/health/post-pandemic-stress-... It is just stress...

hammon 5y ago

I think now, almost everybody knows someone with your problem. Really sorry to heard, I hope you will recover! No vaccine should damaged an healthy person, and nobody should be forced to a treatment (Norimberga anyone?). We need more studies and data like this. Why governments don't push for studies? I remember doctors and media denying AstraZeneca Blood cloths for months, before they added to the official adverse reaction list, finally.

detaro 5y ago
> Why governments don't push for studies? Where do you get that idea? I mean, you literally are commenting on a study run by people involved in a government decision-making process.
matthewmacleod 5y ago
I think now, almost everybody knows someone with your problem. This seems unlikely, given the relative rarity of these events. No vaccine should damaged an healthy person Every vaccine ever created can have adverse effects on healthy people. Why governments don't push for studies You are literally commenting on a study. I remember doctors and media denying AstraZeneca Blood cloths for months Your memory is wrong.
- jcbrand 5y ago
  >> I remember doctors and media denying AstraZeneca Blood cloths for months > Your memory is wrong. There are "fact-checks" still online claiming that AZ doesn't cause blood clots. https://eu.usatoday.com/story/news/factcheck/2021/03/25/fact-check-astrazeneca-vaccine-blood-clots-not-definitively-linked/4721828001/ https://eu.usatoday.com/story/news/factcheck/2021/03/25/fact...
  - technothrasher 5y ago
    The early "fact-check" you linked to doesn't claim "that AZ doesn't cause blood clots". Its conclusion: "Whether there is an actual connection is still under investigation and will be closely monitored as vaccination with AstraZeneca's vaccine resumes."

thyme_tea 5y ago

I had an EKG done like a month ago for this reason. Turns out irregular heartbeats are a very normal thing in the amount I was experiencing them. In addition, I spent a lot of time indoors, sitting or lying on a couch, stressing about my health and the world, thus overreacting to normal changes in heart rhythm due to the sympathetic and parasympathetic system handing off to each other. I've been fully vaccinated since August. edit: Spelling, wording

chinathrow 5y ago

> I still experience ectopic heartbeat now (although much less frequently) as a result of the vaccine 6 months later. Are you confident that this is related to getting vaccinated? I also got irregular heartbeats a couple of years ago (long before I got vaccinated against Covid), mine are called premature heart beats (https://en.wikipedia.org/wiki/Premature_heart_beat https://en.wikipedia.org/wiki/Premature_heart_beat) and they're harmless as long as they stay under a certain of times per minute, according to my cardiologist (after extensive tests).

figaroniguzo 5y ago

Same here. I couldn't go for runs for 4-5 weeks after the first dose. I also had COVID prior and was back on my feet after 3 days. I'm fine now but worried about getting boosted.

jpe90 5y ago

The study states that 0.004% of vaccine recipients were hospitalized from myocarditis. 1,615 out of 38,615,491. NIH estimates that 31.1% of U.S. adults will experience an anxiety disorder at some point in their lives. https://www.nimh.nih.gov/health/statistics/any-anxiety-disorder https://www.nimh.nih.gov/health/statistics/any-anxiety-disor.... I would encourage you to discuss with a licensed medical professional about which you are more likely to be experiencing.

whitepaint 5y ago
Does anxiety produce ectopic heartbeats?
- afarrell 5y ago
  Yes https://www.nhs.uk/conditions/heart-palpitations/ https://www.nhs.uk/conditions/heart-palpitations/
  - deleted 5y ago
    [deleted]
- ImaCake 5y ago
  Not sure about irregular heart beats. But when I was burning out from my PhD a very heavy and intense heart beat was the most notable physical symptom. There was no underlying problem, I was just going through a great deal of emotional stress. The problem with anxiety is that it leads to intense heart beating and your anxiety then leads you to assume something physically wrong with your heart. You don’t think rationally on stress!
- eloeffler 5y ago
  Does myocarditis produce ectopic heartbeats?
tpoacher 5y ago
You have the priors the other way round. The old adage "when you hear gallopping think horses, not zebras" is not valid if you're in a place where zebras are common and horses aren't. What you say could be true if this person had experienced such events prior to vaccination as well. Otherwise the probability of having a first episode of ectopic beats within 28 days of the vaccine is far less likely to be due to anxiety in the absense of previous history of anxiety, let alone one with rare symptomatology.

Croftengea 5y ago

I'm not sure if it's the same thing but a few weeks after my 2nd shot of Moderna I feel like my chest (heart? lungs?) squeezes for a few seconds and then I have problems breathing normally for a few hours after that. This repeats almost every day. I had my heart and lungs checked but found no obvious problems. I don't know what to do or what additional tests necessary but hope this goes away :(

bildung 5y ago
Please interpret my comment in a benevolent way: Have you considered that you perhaps experience panic attacks? It is pretty common especially for males to experience panic attacks as primarily physical. Can you perhaps find a pattern in your behaviour or experiences before you have those squeezes (i.e. some part of your work routine, or specific thought patterns)? Whether physical or psychological, it might be worthwhile to write some kind of symptom diary after each event.
- Croftengea 5y ago
  Thanks for your comment, I haven't looked at it this way. It happens randomly also often when I'm in an inactive and relaxed state. But I'll pay closer attention to external circumstances.
garganzol 5y ago
> I feel like my chest (heart? lungs?) squeezes for a few seconds Do you feel pain when this happens? > then I have problems breathing normally Does your breathing rate increase? (hyperventilation) Next time this happens you can undertake a small test. Take 15 g of sugar in one go and see whether you experience an immediate improvement. This test will show whether the condition is related to decreased ATP production which is known to cause panic attacks in some people (false hypoglycemia). If you see an improvement from sugar then it means it is related (you can take a look at my other posts to see how to manage that). Other tests that may be helpful for you: HOMA-IR, A1c, Low-Density Lipoprotein (LDL), High-Density Lipoprotein (HDL), Cholesterol, Triglycerides, Gamma-glutamyl Transferase (GGT).

brzozowski 5y ago

I also experienced an irregular heartbeat for several months after receiving the Moderna vaccine (June, 2021) up to this month (December, 2021). It seems to be getting better, but is accompanied by a mild pain, tightness in the chest and shallow breath. This is despite regular diet, exercise and otherwise normal health. I am 31 years old.

antocv 5y ago
The damage to your heart is too mild to be considered worthy of study. Asymptomaptic covid-19 is more worthy of study and effort to prevent it.
raxxorrax 5y ago
Heart problems did increase in young people in a significant way. To my knowledge this trend began before Covid though.

madjam002 5y ago

Same, I first went to my doctor about this 6 months ago now and only just now have they acknowledged it might be myopericarditis. Anxiety has been discussed but it is unlikely as it gets worse with exercise. I’m still waiting on an echocardiogram after 5 months.

mint2 5y ago

PVCs and other irregular rhythms are quite common and related to stress and a lot of other things. They’re also highly disconcerting. But anyway, it’s always tempting to find a cause or one something to blame, very human to do but easy to scapegoat the wrong thing. Not saying you’re wrong but Be careful about attributing causation without solid evidence, which is often hard to come by.

bigyellow 5y ago

I hope someone else appreciates the ridiculousness of quitting caffeine for health, but gladly accepting an unapproved experimental drug into their body.