Keyword combinations used in literature search
| Chest | AND | Blunt chest trauma | AND | Lung ultrasound |
| Thora* | Rib fractures | Sonography | ||
| Lung | Pneumothorax | Ultrasonograph* | ||
| Haemothorax/hemothorax | ||||
| Effusion | ||||
| Contusion |
*Indicates where the truncated version of the search term was used.