Pain with your still left arm may be a symptom of a heart attack, but it really may be a result of any number of good reasons, like overuse or injuries. So, no, pain during the remaining arm doesn't generally mean a heart attack. Neural troubles are a very common https://www.theorthopaedicandpainpractice.com/service_tag/burning-pain-in-upper-right-arm-between-elbow-and-shoulder/