Dyspnea is defined as diffulty in breathing or shorness of breath.  It is often attributed to vigorous exercise, anxiety, or heart and lung conditions.
- ↑ American Heritage Medical Dictionary (2007). Dyspnea. Houghton Mifflin. Retrieved on 2008-10-01.
- ↑ unk. (n.d.). Respiratory Disorders Glossary. LPCH.org. Retrieved on 2008-10-01.
- ↑ Mosby's Dictionary of Complementary and Alternative Medicine (2005). Dyspnea. Elsevier. Retrieved on 2008-10-01.