<prompt> All are true about pulmonary contusion except:Missed on chest X-ray in 20Pain management is impoant to prevent hypoventilationCT is sensitive for diagnosis25 contusion may likely needs intubation  <response>: Pulmonary Contusion Inadequate pain relief leads to hypoventilation, promotion of atelectasis worsening hypoxemia. Lung contusions may be present on the initial chest radiograph but typically require time to become visualized it can be missed Diagnosis: IOC is CECT. Intubation should be reserved for classical indications only it can result in Pneumonia. 