2021 Aug 14. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan–.
Dyspnea, commonly referred to as shortness of breath, is the subjective sensation of uncomfortable breathing comprised of various sensations of varying intensity. It is a common symptom impacting millions of people and maybe the primary manifestation respiratory, cardiac, neuromuscular, psychogenic, systemic illness, or a combination of these. Dyspnea can be either acute or chronic with acute occurring over hours to days and chronic occurring for more than 4 to 8 weeks.