Tension pneumopericardium: A rare complication in penetrating chest trauma

A 23-year-old man was assaulted and sustained multiple stab wounds to the neck, left flank, praecordium, and epigastrium. He presented with an acute abdomen and a right-sided haemothorax to a secondary level hospital. An intercostal drain was inserted and a laparotomy was performed revealing an injury to the transverse mesocolon. A subxyphoid pericardial window was performed which was negative for blood. On the fourth day post-operatively he