Abdominal bulge after lying flat may be due to obesity, or due to intestinal obstruction or abdominal fluid accumulation.
1. Obesity: If you are very obese, subcutaneous fat will accumulate, and subcutaneous fat will easily accumulate in the abdomen, and the abdomen will bulge when you lie down.
2. Intestinal obstruction: after the occurrence of intestinal obstruction, due to the intestinal contents can not be discharged, the intestinal tube will be dilated, manifested as abdominal bulging, and in severe cases, gastrointestinal peristaltic wave can be seen.
3. Abdominal fluid accumulation: If liver cirrhosis, spontaneous bacterial peritonitis and other diseases occur, the fluid in the blood vessels will seep into the abdominal cavity, which is called abdominal fluid accumulation, after the occurrence of abdominal fluid accumulation, when the amount of fluid accumulation is more, it will lead to abdominal distension, and when lying down, the abdomen will be bulging. At this time, it can be manifested as a frog-like abdomen, positive mobile turbid tone, etc..
The patient can go to the hospital, can improve the ultrasound and other tests, usually can clarify the diagnosis, and then can decide how to deal with.