Dyspnea on exertion


Dyspnea or dyspnoea (pronounced disp-nee-ah, IPA /dɪsp'niə/), from Latin dyspnoea, from Greek dyspnoia from dyspnoos, shortness of breath) or shortness of breath (SOB) is perceived to be difficulty of breathing or painful breathing. It is a common symptom of numerous medical disorders.

Dyspnea on exertion (DOE or exertional dyspnea) indicates dyspnea that occurs (or worsens) during physical activity. Dyspnea on exertion is considered medically normal and does not warrant the ICD-9 786.09.

Disorders of the lungs

Obstructive lung diseases

Diseases of lung parenchyma and pleura



Pulmonary vascular diseases

Other causes of diminished breathing

Obstruction of the airway

Immobilization of the diaphragm

Restriction of the chest volume

Disorders of the cardiovascular system

Disorders of the blood and metabolism

Disorders affecting breathing nerves and muscles

Psychological conditions


See also


Stedman's Medical Dictionary, 28th Edition. Baltimore, Maryland: Julie K. Stegman.

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