Cardiac septal defects are known complications to blunt chest trauma. The incidence of a traumatic isolated atrial septal defect is unknown and the concurrent occurrence of nonlethal ventricular and atrial septal defects has not been reported. A healthy male sustained violent blunt chest trauma resulting in traumatic cardiac septal disruption in the atrium and ventricle. The defects were detected by echocardiography within 14 hours of the accident. The extent of damage was confirmed at the time of surgical repair. The patient recovered uneventfully. The diagnosis and management of concurrent ASD and VSD is similar to single septal injury.