There are many causes of subxiphoid constriction and distension, including gastrointestinal diseases, liver and gallbladder diseases, heart diseases and so on.
1. Gastrointestinal diseases: for example, indigestion caused by improper diet, various types of gastritis, peptic ulcer, gastric cancer and other diseases may cause swelling below the xiphoid process.
2. Liver and gallbladder diseases: for example, various types of hepatitis, cirrhosis, fatty liver, liver tumors, cholecystitis and other diseases, which may also lead to swelling below the xiphoid process.
3. Heart disease: coronary atherosclerotic heart disease, arrhythmia, cardiac neurosis, etc., may also lead to the swelling below the raphe.
There may be other reasons for the swelling below the xiphoid process, so it is recommended to go to the hospital for examination to clarify the cause of the problem.