Honestly --I want to say no its not normal --but i had same symptoms I were 100% convinced something was really wrong ---there was a prob of the c5 nerve being pinched which affects your arm and shoulder.

Im caustious to say because what you had was diffrent then me I had the old school gold standard fusion and Im not familar with the device he used. I will def think it warrants a call to the office. Let me know what they say-Please.