<aside>
❓ Uses in abdominal imaging:
Look for free air
Follow !Bowel Obstruction (low grade vs high grade)
OR surgical count etc./other foreign objects
Assess lines and tubes </aside>
Entire structure on 1 image
High spatial resolution but low contrast resolution
| View | Function |
|---|---|
| Supine | General, for entire abdomen |
| Up-right | Air-fluid Level |
| Lat. Decubitus | Free air, see diaphragm, air-fluid level when Pt is not mobile |
Landmarks:
| Outcome | Interpretation |
|---|---|
| ‣ | |
| Dilated Bowel: !Bowel Obstruction | |
| Air-fluid level | !Bowel Obstruction or ‣ |
| ‣ | Acute ‣ |
| ‣ | Free air in the peritoneal cavity |
