Home > Health Library > Pneumothorax (Collapsed Lung)
A pneumothorax (collapsed lung) results from a buildup of air in
the space between the lung and the chest wall (pleural space). This prevents
the lung from expanding properly when the person tries to breathe in, causing
shortness of breath and chest pain.
A pneumothorax is usually caused by an injury to the chest, such as
a broken rib or a puncture wound. It may also occur suddenly without an injury
(spontaneous pneumothorax). Spontaneous pneumothorax can result from damage to
the lungs caused by conditions such as chronic obstructive pulmonary disease
(COPD), asthma, cystic fibrosis, and pneumonia. Spontaneous pneumothorax can
also occur in people who don't have lung disease.
Symptoms of pneumothorax often include:
A small pneumothorax may improve without treatment. But a more
serious pneumothorax usually is treated by inserting a needle or a chest tube
into the chest cavity. This relieves the pressure on the lung and allows it to
Current as of:
August 21, 2015
E. Gregory Thompson, MD - Internal Medicine & R. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology
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