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Name of Symptom/Sign:
Classifications and external resources
ICD-10 R06.8
ICD-9 786.0
DiseasesDB 15892
MedlinePlus 003075

Dyspnea or Dyspnoea (Pronounced disp-nee-ah, from the Latin dyspnoea, Greek dyspnoia from dyspnoos, shortness of breath) or shortness of breath (SOB) is perceived difficulty 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.


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


Lippincott Williams & Wilkins (2006). Stedman's Medical Dictionary, 28th Edition. Baltimore, Maryland: Julie K. Stegman, 601. ISBN 0-7817-3390-1. 

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Dyspnea". A list of authors is available in Wikipedia.
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