Dyspnea

Dyspnea (Latin dyspnoea, Greek dyspnoia from dyspnoos - short of breath) or shortness of breath (SOB) is perceived difficulty breathing or pain on breathing. It is a common symptom of numerous medical disorders.

Causes

 * disorders within the lungs
 * pulmonary hypertension
 * atelectasis
 * disorders in the ribcage
 * kyphosis
 * disorders in adjacent organs
 * disorders in the nervous system
 * disorders due to drugs and toxic substances.
 * SARS
 * Broncho-obstructive conditions
 * emphysema
 * COPD
 * asthma
 * broken ribs
 * lung cancer
 * malignant hypertension
 * obesity
 * patent ductus arteriosus
 * Pregnancy

Related terms

 * tachypnea, too rapid breathing.
 * bradypnea, too slow breathing.
 * orthopnea, dyspnea occurring in a recumbent position
 * paroxysmal nocturnal dyspnea, dyspnea occurring during sleep.