<prompt> A patient comes with BP 10070, pulse 110min respiration with Acessory muscles?PneumothoraxHemothoraxCardiac TamponadeNone  <response>: In tension pneumothorax,there is rapidly progressive breathlessness associated with a marked tachycardia,hypotension,cyanosis and tracheal displacement away from the side of the silent hemithorax.Cardiac tamponade is characterised by markedly elevated JVP,hypotension,pulsus paradoxusexaggerated fall in BP during inspiration and oliguria.Hemothorax is characterised by progressive dyspnea. Ref:Davidson s medicine-22nd edition,page no:532,661,729. 