Cardiac Arrest after Blunt Chest Injury in a Patient with Undiagnosed Idiopathic Ventricular Fibrillation

We report a case of cardiac arrest occurring in a patient after blunt chest injury with fist during an assault event. The patient survived with prompt cardiopulmonary resuscitation and defibrillation. Subsequent electrophysiology study revealed inducible ventricular fibrillation and automatic implantable cardioverter defibrillator was implanted. The cardiac complications from blunt chest trauma are discussed.