The original Medical Research Council (MRC) dyspnoea scale was developed by the British MRC in the 1950s, and it was first formally published in 1961 in a study on chronic bronchitis.1 It was designed ...
Introduction Dyspnoea is an existentially burdensome symptom in patients with advanced and progressive diseases such as cancer, chronic obstructive pulmonary disease (COPD) and advanced heart failure.