Hip
Senior Member
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One experience worth mentioning is a major but temporary remission I had from ME/CFS that began the day after I had an ultrasound scan investigation on my liver at a hospital.
The locations on your belly where they place the ultrasound device in order to scan the liver is the general area where the vagus nerve running upwards from the intestines, liver and stomach passes. And there are studies to show that high intensity ultrasound can block nerve signal transmission for a while:
High-intensity focused ultrasound as a novel method of nerve conduction block: dose-dependent effects range from partial to complete block
This remission I had was very marked, as I found that my mathematical brain had returned. Brain fog severely affects my ability to think mathematically, but after this ultrasound scan, my mind became so crystal clear, that I was able take up work again on a personal project involving some mathematics (specifically: using equations that determine the path of light through optical lenses). Such work is normally completely out of the question for me because of the brain fog, which is why I was astonished to find my mind was suddenly capable of doing such mathematics again.
This remission only lasted for about 4 or 5 days, but since I pretty much never have such remissions that bring my mathematical skills back online, this particular remission really stood out. And it began the day after this liver ultrasound.
On another occasion, I also had an ultrasound scan on my kidneys, but this did not seem to produce this remission from brain fog. However, this kidney scan was mostly performed with the ultrasound device placed on my back and sides, rather than on my belly as it was with the liver scan, and this may be too far from the vagus to have effect.
I am tempted to see if I can replicate this temporary remission by getting another liver ultrasound scan done, and saying to the ultrasound technician: "Whack it up to full power please, and give me a thorough scanning!"
I did also look into using facial/muscle ultrasound massagers that you can buy from China for on eBay for as little as £20. However, the power output of these ultrasound massagers is around 0.5 Watts per cm2 on full power, whereas medical ultrasound scanners output around 10 Watts per cm2 (although not continuously, they use a rapidly pulsed output with a peak pulse intensity of 10 Watts per cm2). So basically a personal ultrasound massager will probably not substitute for a medical ultrasound scanner in terms of peak power output.
The locations on your belly where they place the ultrasound device in order to scan the liver is the general area where the vagus nerve running upwards from the intestines, liver and stomach passes. And there are studies to show that high intensity ultrasound can block nerve signal transmission for a while:
High-intensity focused ultrasound as a novel method of nerve conduction block: dose-dependent effects range from partial to complete block
This remission I had was very marked, as I found that my mathematical brain had returned. Brain fog severely affects my ability to think mathematically, but after this ultrasound scan, my mind became so crystal clear, that I was able take up work again on a personal project involving some mathematics (specifically: using equations that determine the path of light through optical lenses). Such work is normally completely out of the question for me because of the brain fog, which is why I was astonished to find my mind was suddenly capable of doing such mathematics again.
This remission only lasted for about 4 or 5 days, but since I pretty much never have such remissions that bring my mathematical skills back online, this particular remission really stood out. And it began the day after this liver ultrasound.
On another occasion, I also had an ultrasound scan on my kidneys, but this did not seem to produce this remission from brain fog. However, this kidney scan was mostly performed with the ultrasound device placed on my back and sides, rather than on my belly as it was with the liver scan, and this may be too far from the vagus to have effect.
I am tempted to see if I can replicate this temporary remission by getting another liver ultrasound scan done, and saying to the ultrasound technician: "Whack it up to full power please, and give me a thorough scanning!"
I did also look into using facial/muscle ultrasound massagers that you can buy from China for on eBay for as little as £20. However, the power output of these ultrasound massagers is around 0.5 Watts per cm2 on full power, whereas medical ultrasound scanners output around 10 Watts per cm2 (although not continuously, they use a rapidly pulsed output with a peak pulse intensity of 10 Watts per cm2). So basically a personal ultrasound massager will probably not substitute for a medical ultrasound scanner in terms of peak power output.
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