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Spontaneous pneumothorax is, as in humans, classified as primary or secondary, while traumatic pneumothorax is divided into open and closed (with or without chest wall damage). [65] The diagnosis may be apparent to the veterinary physician because the animal exhibits difficulty breathing in, or has shallow breathing.
[citation needed] An abrupt worsening in COPD symptoms may cause rupture of the airways in the lungs, which in turn may cause a spontaneous pneumothorax. [4] In infection, there is often weakness, fever and chills. If due to a bacterial infection, the sputum may be slightly streaked with blood and coloured yellow or green. [5]
A pneumothorax, also known as a collapsed lung, is a collection of air outside the lung in the pleural cavity. [14] Depending on etiology, a pneumothorax is classified as spontaneous, traumatic and iatrogenic. A spontaneous pneumothorax is further classified as primary and secondary, with the former occurring in individuals with no clinical ...
In regard of the low incidence of primary spontaneous pneumothorax (i.e. not due to surgical trauma etc.) in women (about 1/100'000/year), [16] this is a very rare condition. Hence, many basic textbooks do not mention it, and many doctors have never heard of it. Therefore, catamenial pneumothorax is probably under-recognized. [17]
LAM is sometimes revealed by chest CT in patients who present with an apparent primary spontaneous pneumothorax, but more often CT scanning is not ordered (in the United States) until recurrences occur. Progressive dyspnea on exertion without the exacerbations and remissions that are characteristic of asthma or COPD sometimes prompt a chest CT.
Left tension pneumothorax with a large, well-demarcated area devoid of lung markings with tracheal deviation and movement of the heart away from the affected side. Mediastinal shift is an abnormal movement of the mediastinal structures toward one side of the chest cavity .
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Uptodate says "A primary spontaneous pneumothorax (PSP) is a pneumothorax that occurs without a precipitating event in a person who does not have known lung disease. In actuality, most individuals with PSP have unrecognized lung disease, with the pneumothorax resulting from rupture of a subpleural bleb".