 [ Symptoms ] chest neck arm pain began 2or3 years ago aft heavy work lasting 30 mins now any activity even showerlasts 8hrsor more [ Disease ] well i recommend you get this checked out heart problems can hit like lightning heart attack or come on gradually it sounds like you may have a heart problem that is becoming gradually worse of course this can only be determined with a physical examination and some other testing performed by your health care provider chest pain that lasts 8 hours is nothing to ignore please get medical attention as soon as you can all the best to you