I’ve had multiple due to my dandy walker cyst and hydrocephalus. It’s very noisy and cold. They give u earphones or headphones (you can choose) the headphones are tighter because of the head frame ur head goes into but the music u can choose and it’ll relax you. There will be a frame that goes over ur face and connects to the bit ur head is leaning on and this has a mirror so u can see the end of the tunnel. You’ll feel the bed move but it’s not very unnerving or anything. They might put a pillow under ur legs but you can’t have any blanket. You’ll have a buzzer to press at any point if u need a break for whatever reason. They might talk to you to make sure you’re ok or tell u what’s happening (some do some don’t) depending on the hospital ur in (this is more children’s tbf) u might be able to watch a film on the screen behind.

Also a big thing I forgot to mention is that you can’t move because u need to be still for them to get the images

Has an MRI been suggested by a medical professional or by a friend/family member? If by a professional, such professional should be able to order an MRI for you, or send a letter to your GP recommending you get an MRI. If this advice is not from a medical professional, first find out if the individual has something specific in mind that they believe an MRI would be the best thing for you. Likelihood is that if your friend had suggested you get an MRI, it's probably something they have witnessed or experienced themselves. If you believe the advice has merit, contact your GP and have a discussion on whether they think its best for you or whether they do not believe it would be beneficial. I have had 3 MRIs, the one I had on my brain did not yield any results but that doesn't mean it wasn't worth while. It took diagnoses off the table to narrow down what my problems were for. At the end of the day, you know your body best and if you believe you have something wrong you likely do, but that doesn't mean an MRI will reveal anything which is something you must be prepared for. I hope you get sorted and if you do get an MRI, that it yeilds results that are helpful.

I think an MRI is probably the best way forward. My niece has EDS and suffered with symptoms like these and that was diagnosed after some scans and a blood test, though it takes some fighting with the doctors to get there. Persevere and speak to specialists, do any tests you think may help and I hope it gets sorted for you