Are these vaccines actually causing heart palpitations in youth

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I don't look Jack and shit about vaccines or the signs behind them so I'm not sure if stuff like this is actually happening or if it's just a massive psyop by the antivaxx community. I'm a 20 year old who's in relatively good shape and had no heart problems with my Pfizer vaccine. Neither did my three number siblings who were all middle school age. I'm not trying to start a flame war here. I'm genuinely curious. Is stuff like this happening regardless of which vaccine you get or is this occurring due to a specific vaccine? I've heard of people saying that the Johnson & Johnson texting should be avoided because of complications it has caused for some people


Link:

https://twitter.com/MarkRichardson2/status/1485028186094448640?t=w8Npox7T2yBpma4MdrdZgw&s=19