If you feel a tightness in your chest with breathing difficulty, as if unable to get enough air in your lungs, you have just experienced shortness of breath or Dyspnea. While the feeling of gasping for air could be due to minor or temporary issues, it can indicate an underlying health complication or disorder of the heart, lungs, or other diseases. It is important to recognize the symptoms, as breathing problems could be a precursor of a serious condition. Let us thus, understand more about Dyspnea in detail.