louloutinks

Heat And Tachycardia

8 posts in this topic

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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It doesn't for me, but I know it definitely can. I think that's a common thing with any medical problem involving the heart/tachycardia, heat usually will make it worse.

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I recently went to a talk given by Dr. Afrin, a mast cell doctor, and he said that solar radiation can cause mast cell degranulation.

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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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I can barely function in the heat. A couple of minutes is enough to do me in. We're supposed to hit 111 degrees today, so I'm staying in!

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Potsgirl

It was 115 here in chandler! Omg its horrible!

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What are mast cells - keep hearing a lot about them but have no clue what they are and how they affect you?

Luckily here the heat has dropped some due to a storm clearing the humidity.

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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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