The first taken x-rays in the ED reveals multiple, partial dislocated rib fractures and a pneumothorax on the right side. After insertion of a thoracic drainage, felt necessary due to the multiple fractures, progressive shortness of breath and t.
The continuous diaphragm sign is a chest radiograph sign of pneumomediastinum or pneumopericardium if lucency is above the diaphragm, or of pneumoperitoneum if lucency is below the diaphragm. Normally the central portion of the diaphragm is not discretely visualised on chest radiographs as it merges with the cardiac silhouette. http://radiopaedia.org/articles/continuous-diaphragm-sign