Spontaneous tension pneumothorax: what is it and does it exist?

  title={Spontaneous tension pneumothorax: what is it and does it exist?},
  author={Graham Simpson and Stephen Vincent and Janine Ferns},
  journal={Internal medicine journal},
  volume={42 10},
Tension pneumothorax is variously defined but is generally thought of as a pneumothorax in which the pressure of intrapleural gas exceeds atmospheric pressure, producing adverse effects, including mediastinal shift associated with cardiovascular collapse, often attributed to reduced venous return and kinking of the great vessels. The mechanism of tension pneumothorax is said to be a valvular defect in the visceral pleura such that air enters the pleural space in inspiration but cannot exit in… CONTINUE READING
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