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increase weakness in my arms too, especially when I raise them up
& washing my hair in the shower very hard and exhausting]
Hi, Those symptoms make me wonder about possible TOS - You might also want to read about Thoracic outlet syndrome (TOS)
- esp if MRI shows nothing notable.
You can request a copy of the MRI report be sent to you , and that will give you time to do some research if anything shows up on it, and you'll be able to ask better questions when the dr has a follow up with you..
TOS useful info sticky thread -
http://neurotalk.psychcentral.com/thread84.html