<prompt> What is the treatment for Cardiac tamponade -Immediate anticoagulationEmergency subxiphoid percutaneous drainageTransesophageal pericardiocentesisStabilize and observe  <response>: Answer- B. Emergency subxiphoid percutaneous drainageEmergency subxiphoid percutaneous drainage -This is a life-saving bedside procedure. The subxiphoid approach is erapleural; hence, it is the safest for blind pericardiocentesis. A 16- or l8-gauge needle is inseed at an angle of 3O-45 degree to the skin, near the left xiphocostal angle, aiming towards the left shoulder. When performed emergently, this procedure is associated with a repoed moality rate of approximately 4 and a complication rate of l7. 