FCEM2-1948

FCEM2-1948

A 42-year-old man was involved in a car accident where his vehicle collided with a wall. He was rescued at the scene and has been brought to the hospital by ambulance. He is currently wearing a cervical immobilization device. He is experiencing chest pain on the left side and is having difficulty breathing. As the leader of the trauma response team, his vital signs are as follows: heart rate of 110, blood pressure of 102/63, oxygen saturation of 90% on room air. His Glasgow Coma Scale score is 15 out of 15. Upon examination, he has extensive bruising on the left side of his chest and shows reduced chest expansion, dullness to percussion, and decreased breath sounds throughout the entire left hemithorax.

What is the most likely diagnosis for this patient?