According to the American Heritage Dictionary, dyspnea is difficulty in breathing, often as a result of a lung disease. It is also called "air hunger".
Hyperventilation is excessive ventilation (breathing) in regards to the metabolic rate; i.e. excessive ventilation that is inappropriate. Dyspnea is the subjective and unpleasant sensation associated...
Dyspnea is translated from medical terminology to mean difficult breathing, where some disease, reaction, or other stimulant has caused breathing to be obstructed or otherwise uneasy. Apnea means...