A 60 year old man, with an accident and comes to emergency department with engorged neck veins, pallor, rapid pulse. He has muffled heart sounds. The likely diagnosis is
Cardiac tamponade
Aortic dissection
Pneumothorax
Diaphragmatic rupture
This is a case of cardiac tamponande.
Becks traid - muffled heart sounds + engorged neck veins + decreased BP