<prompt> Treatment of acutely developing massive left sided hemothorax in a young male after an accident is ?Strapping of chestTube thoracostomyEndotracheal intubation IPPV pleural fluid aspirationConservative, wait and watch  <response>: Ans. is b i.e., Tube thoracostomy Hemothorax is defined as blood within the pleural cavity. It is classified according to the amount of blood. Minimal hemothorax -- 350 ml Moderate hemothorax -- 350-1500 ml Massive hemothorax -- 1500 ml or more Note: The rate of bleeding after evacuation of the thorax is even more impoant. TT of Hemothorax ? Tube thoracostomy is performed promptly. In 85 of cases tube thoracostomy is the only treatment required. A small number of cases will have continued bleeding and will require a thoracotomy Indications for thoractomy are - persistent drainage of 200-300 mlhr - total hemorrhagic output exceeds 1500 ml of blood 