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Heat And Tachycardia


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Hi all,

I have noticed that when it is hot here in the uk and I sit in the sun I get very bad tachy.

Yesterday it started within 5 mins of me sitting in the sun. I could feel my heart pounding when I was laying down outside so I wore my HR monitor to keep check on it and also noticed that even when I was indoors after this, my heart rate was all over the place. Just making a cup of tea it was 149 and the highest was over 200. I also ended up with an awful headache too and very very dizzy.

Does the sun make pots worse?

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Heat makes many, many people with POTS worse. The sun is fine for me if it is not hot. But HEAT with or without the sun is horrid. . The nerves that signal to the muscles to control the blood vessels do not work correctly. I am working hard to heal the nerves that are my main problem with POTS.

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Mast cells are immune system cells that seem to be disordered in some POTS patients - see the article "Hyperadrenergic POTS in Mast Cell Activation Disorder" (Shibao et al, 2005).

There is also more information available about mast cell disorders on www.tmsforacure.org and a youtube video in three parts made by Dr. Castells and a couple of others - search on youtube under "Mast Cell Activation".

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