MICA
Describe what you see or hear before opening the commentary. An external recording may display its own title.

Hellerhoff — Pneumoperitoneum.jpg — CC BY-SA 3.0 — https://commons.wikimedia.org/wiki/File:Pneumoperitoneum.jpg
Hellerhoff
View the original sourceTeaching notes based on the cited sources.
Reveal the title and teaching commentary
Pneumoperitoneum: subdiaphragmatic free air
Learning objective
Observe and describe the document, then compare your interpretation with the atlas sheet.
Points to observe