Shortness of breath can occur suddenly, due to various things. Anyone is expected to know first aid shortness of breath, because it can prevent sufferers experience stopping breathing which can be fatal. Shortness of breath can mean someone feels not getting enough air, can't breathe freely, or feel breathless. This condition can occur at any time, whether walking, running or even sitting. Stages of First Aid Shortness of Breath Shortness of breath is often caused by heart or lung disorders, including heart attack, congestive heart disease, chronic obstructive pulmonary disease (COPD), pneumonia, pulmonary embolism, asthma, or respiratory infections. In addition to heart and lung disorders, shortness of breath can also occur due to heartburn, injury to the neck or due to near drowning. When experiencing shortness of breath, a person usually shows signs of rapid breathing, looking anxious and restless, drowsy or looking confused, blue lips, difficulty speaking, and excessive