<prompt> A road traffic accident patient presents with breathlessness. Differentiation between cardiac tamponade and tension pneumothorax is best done by?Pulse pressurePulse volumeJVPBreathing sounds  <response>: Ans. d Breath soundsRef. BL page 354 26th Edition Both Tension pneumothorax and Cardiac tamponade both present with breathlessness, tachypnea and distended neck veins Tension pneumothorax features - Hyper resonance over the chest and absent breath sounds. Cardiac tamponade - Classically, the presentation consists of venous pressure elevation, decline in arterial pressure with tachycardia, and muffled heart sounds. 