Plain film signs of pneumoperitoneum
Free air: Rigler and Football
Perforation of a hollow viscus is a surgical emergency.
Small leaks can be missed; CT is more sensitive.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.
Free air: Rigler and Football. It helps you recall: Plain film signs of pneumoperitoneum.
Gas under the diaphragm on erect chest film
Gas on both sides of the bowel wall
Large gas collection outlining the abdomen on supine film
Free air: Gas under the diaphragm on erect chest film; Rigler: Gas on both sides of the bowel wall; Football: Large gas collection outlining the abdomen on supine film.
It belongs to Abdominal and GI imaging in Radiology.
Small leaks can be missed; CT is more sensitive.
Perforation of a hollow viscus is a surgical emergency.
Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Radiology question about Abdominal and GI imaging.
It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.