Gas over water

Introduction It is a special abdomen auscultation sound for mechanical intestinal obstruction. Its tone is high and continuous, such as smelling bubbles from the water, hence the name. It is due to intestinal obstruction, the intestinal lumen is enlarged, the gas is increased, the intestinal wall is swollen and thinned, and it is extremely tense, which is formed by resonating with the hyperactive bowel sounds.

Cause

The gas generated by swallowing into the intestine and the gas generated by the bacteria breaking down the sugar cannot pass through the intestine due to intestinal obstruction, and the sound of the gas over the water generated when the gas passes through the intestinal tube can be heard during abdomen auscultation.

an examination

Related inspection

Gastrointestinal CT examination of duodenal barium meal angiography

The appearance of gas over water and other signs (such as abdominal pain, vomiting, bloating, etc.) may prompt the physician that the patient has the presence of mechanical intestinal obstruction; combined with the patient's history of hernia, it can be considered whether the patient is difficult The possibility of renaturation. This is important for the diagnosis of refractory defects.

Differential diagnosis

The symptoms of gas over water need to be identified as follows.

Patients with refractory sputum often hear gas over water in the abdomen during abdominal auscultation. When the contents of the difficult-to-recovery sputum (especially the intestine) cannot be completely returned, incarceration and strangulation occur, when mechanical intestinal obstruction occurs, the intestinal tube above the obstruction can overcome the obstruction and enable the material in the intestinal tube to pass smoothly. Strengthens peristaltic and motor function, manifested as intense paroxysmal pain in the abdomen.

There is a process of the appearance of gas over water. Not all patients will have the phenomenon of gas over water in the early stage of refractory sputum. This requires the doctor to closely observe the signs of the abdomen and repeat abdominal auscultation. The patient can also prompt the physician whether there is a sound of gas over water through his own feelings.

The appearance of gas over water and other signs (such as abdominal pain, vomiting, bloating, etc.) may prompt the physician that the patient has the presence of mechanical intestinal obstruction; combined with the patient's history of hernia, it can be considered whether the patient is difficult The possibility of renaturation. This is important for the diagnosis of refractory defects.

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