<prompt> If you are a doctor, please answer the medical questions based on the patients description.short of breath when I exert myself sometimes, not alwaysmy hands shake when I grasp things, but not when at restburp all the time, chest tightness can be relieved by burpingmy pillowcases turn yellow from my sweatare these symptoms related?what tests should I have?  <response>: Hello rearward welcome to Chat Doctor.come have evaluated your query thoroughly. This seems in relation with psychosomatic manifestation of underlying stress and anxiety disorder more likely than other cardio respiratory issue. Primary evaluation with physician for x-ray chest, EKG and later if reports turns out negative must consult an expert psychiatrist. Hope this will help you for sure. Regards. 