Dyspnoea
Difficult or labored breathing; shortness of breath.</P> Dyspnoea is a sign of serious disease of the airway, lungs, or heart.
The onset of dyspnoea should not be ignored but is reason to seek medical attention.</P> The word dyspnoea comes the Greek 'dys-', difficulty + 'pnoia', breathing = difficulty breathing.</P> Dyspnoea is the British spelling.
The American is dyspnea.