The following is an excerpt....
BASICS
Description
- Accumulation of air or gas between the parietal and visceral pleurae
- Spontaneous pneumothorax (SP) may be primary (PSP) or secondary (SSP).
- PSP occurs in healthy adults with no underlying lung disease (age 20s); rarely in patients >40 years of age.
- SSP is a complication of underlying lung disease [e.g., chronic obstructive pulmonary disease (COPD), cystic fibrosis, acquired immune-deficiency syndrome (AIDS), or tuberculosis (TB)].
- Traumatic pneumothorax, both closed and open, may exist in tandem with hemothorax.
- Tension pneumothorax (TP): Inspired air accumulates into the pleural space with no means of escape. More air increases lung compression and causes hypoxia and hemodynamic compromise.
- Occult pneumothorax (OP) is not suspected on the basis of clinical exam or plain radiography ...
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