Some Drs are that way, and some will help you fight for your health..
You might get a WC atty on your side to help you though your case. Do your homework & check them out as best your can..before you sign with anyone.
Our Thoracic Outlet Syndrome Forum has many related RSI tips & more - be sure to check the sticky threads - multiple RSIs can be a factor leading to TOS - has some shared symptoms with RSD also.. search our site for double crush & triple crush syndrome...
https://www.neurotalk.org/forum24/
We also have WC forum & RSD forum.. clicking the logo or home page will take you to our full topic index page.