miralo aqui
https://www.slideserve.com/kethan26ac/appendicitis-very-early-symptoms-causes-pain-location-surgical-procedure-healing-powerpoint-ppt-presentation
The escaped air usually can be seen on a KUB on the bottom of the diaphragm. Sometimes a KUB may expose a calcified kidney stone that has entered the ureter as well as led to referred abdominal discomfort or calcifications