释义 |
DictionarySeesignCarnett sign
Car·nett sign (kar-net'), disappearance of abdominal tenderness to palpation when the anterior abdominal muscles are contracted, indicating pain of intraabdominal origin; its persistence suggests a source in the abdominal wall, which is also indicated when tenderness is caused by gently pinching a fold of skin and fat between the thumb and forefinger.Car·nett sign (kahr-net' sīn) Disappearance of abdominal tenderness to palpation when the anterior abdominal muscles are contracted, indicating pain of intraabdominal origin; persistence of tenderness suggests a source in the abdominal wall, which is also indicated when tenderness is caused by gently pinching a fold of skin and fat between the thumb and forefinger. Carnett sign (kar″net′) [John Berton Carnett, 20th-cent. U.S. surgeon] In evaluating a surgical abdomen, decreased abdominal tenderness to palpation after the supine patient elevates his or her head from the bed. The sign indicates that acute abdominal pain originates in the rectus muscle sheath rather than the peritoneum. Carnett, J.B., 20th century U.S. physician. Carnett sign - pain of intraabdominal origin with likely source in abdominal wall.LegalSeeSign |