Trauma

QUESTION: Patient hit chest on steering wheel now with abnormal EKG, Diagnosis? Management?
ANSWER: Diagnosis - Blunt cardiac injury (shock without hemorrhage or spinal shock, abnormal EKG, CI < 2.5, abnormal ECHO), Management - Admit for observation, EKG/troponin now and 8 hours later, if unstable = ECHO, if pericardial effusion = Sternotomy, cardiac repair