Font Size. A. A. A. Nerve blocks are used for pain treatment and management. Often a group of nerves, called a plexus or ganglion, that causes pain to a specific organ or body region can be blocked with the injection of medication into a specific area of the body. The injection of this nerve-numbing substance is called a nerve block.
Symptoms & Causes. The most common symptoms of gas include burping, passing gas, bloating, and pain in your abdomen. Gas normally enters your digestive tract when you swallow air and when bacteria in your large intestine break down certain undigested foods. Doctors may diagnose the causes of gas with a medical history and physical exam.
Trapped Gas Symptoms 1  : Common signs of trapped gas are flatulence, belching and abdominal bloating. 2  Belching is quite common after taking meals which indicates stomach is full. 3  Meganblase syndrome is the condition of chronic belching which arises due to the formation of large gas bubble inside the stomach. Gas bloat syndrome is present in individuals who are operated for GERD. Flatulence is the release of gas through the rectum which is also a symptom of trapped gas.