What Causes Severe Pain And Restricted Movement In Arm?

I am 43 y old i do not have high blood pressur only dieb with i have in controll i hade a cat acdcient but i had some serios wip lash and heriedater sics problum so the docter say he will do a neck sergrroes and i wll feel likes 80 per cent better so i trushim and i go for it ok half hours after the sirgres i hade a stroke which affect my speece more pain my food my right hand can go all the up only half a way most off all is that my right hand swooling pain i went for a nurve tess on my hand the could not find any nurve in my hand i think i have an ida what happen can you please tell me what you think bibi