<prompt> A patient with engorged neck veins, BP 8050 and pulse rate of 100 following blunt trauma to the chest . Diagnosis ofPneumothoraxRight ventricular failureCardiac tamponadeHemothorax  <response>: Ref Harrison 19 th ed pg 1573-1574 Cardiac tamponade should be suspected in any patient who has a rapid down hill course and exhibits the features of rising venous pressure and falling aerial pressure following blunt trauma to the chest. 