What's wrong with my chest tightness, shortness of breath and hiccups?

Your chest tightness, shortness of breath and hiccups are related to the humid living environment and shock. In addition, this phenomenon may also occur due to insufficient oxygen in the heart and brain, strenuous exercise, gastrointestinal dysfunction, and large mood swings. If you are worried, you should go to a regular hospital for detailed examination to check out the disease factors.