Pain is moving to the left side

I am so confused my NS told me my chiari isn't bad enough for surgery that it is my neck that is causing my pain. well about 2 weeks ago is when the pain started moving down now it is in my neck (left side) shoulder and down my arm my elbow is the worst pain yet i have to keep a heating pad on it just to get some relief there isn't a NS anymore mine left moved out of state. i can't think straight memory is going as well as the strength in my arm i feel bad when i have to ask for help. I am getting so depressed all I want to do is cry all the time there is not a moment that goes by that i don't hurt. plz someone help I know hardly anything about this is it my Chiari that is doing this yes i have herniated disks in my neck along with pinched nerves. So confused......