A penetrating chest wall trauma that produces a ball-valve type injury of the visceral pleura frequently produces which type of condition?

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The injuries associated with penetrating thoracic trauma include pneumothorax,hemothorax,pulmonary parenchymal injuries,major airway injuries,great vessel injuries,esophageal injuries,and diaphragmatic injuries.Pneumothorax is seen as a consequence of virtually all penetrating thoracic trauma because the pleural space is opened to atmospheric pressure even if the visceral pleura is not violated.The presence of both blood and air in the pleural space is referred to as hemopneumothorax.Air under pressure in the pleural space,as might occur with a ball-valve type injury of the visceral pleura,is termed a tension pneumothorax.

A Penetrating Chest Wall Trauma That Produces a Ball-Valve Type