Some of you may remember me blabbing on about a new(ish) method for measuring blood volume becoming available as an off-the-shelf device.
This paper uses the research version of the device to look at blood volume in POTS. The medical version of the device is approved and for sale in Europe...
It looks like blood volume testing via this method is going to be available at Mayo Rochester:
https://www.mayo.edu/research/clinical-trials/cls-20309535
I would love to see these devices scattered about at the major centres for research and clinical use. They are inexpensive to buy and run...
I have written a book about what I believe causes extreme thirst in ME/CFS. The book is available (and always will be available) as a free download from its website. It can also be found on Amazon.
There is a lot to unpack with this book. I will summarise its main arguments as best as I can...