Hemopneumothorax, or haemopneumothorax, is a medical term describing the combination of two conditions: pneumothorax, or air in the chest cavity, and hemothorax (also called hæmothorax), or blood in the chest cavity. A hemothorax, pneumothorax or both can occur if the chest wall is punctured. To understand the ramifications of this it is importan... Found on http://en.wikipedia.org/wiki/Hemopneumothorax
(he″mo-noo″mo-thor´aks) pneumothorax with an accumulation of blood in the pleural cavity; called also pneumohemothorax. Found on http://www.encyclo.co.uk/local/21001