Pneumoperitoneum is pneumatosis (abnormal presence of air or other gas) in the peritoneal cavity, a potential space within the abdominal cavity. The most common cause is a perforated …

Pneumoperitoneum, usually seen as free air under the diaphragm, is a finding that can be seen on plain abdominal radiographs, signifying a leakage of air, usually from a perforation in the …

Aug 4, 2025 · Pneumoperitoneum (aeroperitoneum is a rare synonym 12) describes gas within the peritoneal cavity, often due to critical illness. There are numerous causes and several …

Pneumoperitoneum results from dissection of air from the mediastinum along the sheaths of the aorta and vena cava, with subsequent rupture into the peritoneal cavity.

Dec 10, 2025 · Pneumoperitoneum refers to the abnormal presence of air or gas within the peritoneal cavity, the space that contains the abdominal organs. While the discovery of free air …

For purposes of this chapter the definition of a “pneumoperitoneum” is the placement of any gas into the peritoneal cavity causing increased IAP. Creating and maintaining a …

Sep 13, 2021 · The most common cause is a perforation of the abdominal viscus—most commonly, a perforated ulcer, although a pneumoperitoneum may occur as a result of …

Definition. Post-Laparoscopic Resolution of Pneumoperitoneum. Causes. Presentation. Diagnosis. Idiopathic Spontaneous Pneumoperitoneum (ISP)

A pneumoperitoneum (an abnormal collection of free air in the peritoneal cavity) is seen on an abdominal radiograph. The air can be secondary to perforation of the gastrointestinal (GI) tract …

Feb 22, 2023 · Pneumoperitoneum is a medical term used to describe the presence of free air in the abdomen or air in the peritoneal cavity, which is a space within the abdominal cavity. The …