A 45-year-old male patient is being prepared for transport after a severe motor vehicle accident. His blood pressure is 90/60 mmHg, heart rate is 135 bpm, and he is showing signs of jugular venous distension and muffled heart sounds. What is the most appropriate intervention to address his condition most effectively?
Start blood product transfusion
Administer intravenous fluids
Administer vasopressors
Pericardiocentesis