The reference range of normal values ​​of the upper and lower limits of the liver is: 9-11cm.

The normal values ​​of the upper and lower limits of the liver are reference values ​​used clinically to determine whether the liver has been diseased.

The reference range of normal values ​​for the upper and lower limits of the liver is: 9-11cm.

Changes in the upper and lower borders of the liver are common in the expansion of the liver dullness boundary, such as seen in liver cancer, liver abscess, hepatitis, liver congestion and polycystic liver; the liver dullness boundary is reduced, such as in fulminant hepatitis, acute liver necrosis, cirrhosis and gastrointestinal flatulence; the disappearance of the liver dullness boundary and its replacement by tympanic sound is mostly caused by gas covering the surface of the liver, which is an important sign of acute gastrointestinal perforation, but can also be seen within a few days after major abdominal surgery, after artificial pneumoperitoneum, interposition of the colon (the colon is located between the liver and the diaphragm), total visceral inversion, etc.; the dullness boundary is displaced upward, such as in right lung fibrosis, right lower lung atelectasis and pneumoperitoneum and tympanic bowel, etc.; the liver dullness boundary is displaced downward, such as in emphysema and right tension pneumothorax.

When examining the upper and lower borders of the liver, there are some things to note:

1. The person being examined lies on his left side.

2. There is basically no group of people who are not suitable for this medicine, but people with mental and psychological abnormalities should be careful.