stool color

The determination of stool color can help to initially diagnose the possibility of blood in the stool and help to initially screen patients with upper gastrointestinal bleeding. It is often necessary to combine the fecal occult blood test. The color of the stool varies from food to food, and some medications can change color. Basic Information Specialist classification: Digestive examination classification: feces / parasitic examination Applicable gender: whether men and women apply fasting: not fasting Tips: Try to eat high-fiber indigestible foods such as corn before checking. Normal value Adult yellowish brown, baby golden yellow. Clinical significance Abnormal results: In the upper gastrointestinal bleeding, the stool is black and shiny, that is, tar-like stool, which is caused by the decomposition of hemoglobin and the formation of black iron sulfide when the blood passes through the intestinal tract. Taking activated carbon, tincture, iron, Chinese herbal medicine, etc. also has grayish black, but it is dull. The stool specimens are placed for too long, and the surface layer can also be grayish black. The obstructive jaundice patients lack the bile pigment in the feces and are white clay. After the digestive tract barium meal, the stool was grayish white. When the baby is indigested, the intestines are too fast, and the feces are green and loose due to the presence of biliverdin. Need to check the crowd: Patients suspected of having upper gastrointestinal bleeding need to be diagnosed, that is, those with hemoptysis and hematemesis. Precautions Requirements for inspection: 1. The stool of normal adults is yellowish brown and soft mud-like cylindrical. Baby stool is yellow or golden yellow. 2, from the large intestine lesions due to the gradual formation of feces and not easy to mix with feces. The mucus from the rectum adheres to the surface of the dry hard stool, and the simple mucus is colorless, transparent and slightly viscous. Mucus pus and blood will be yellow and white opaque. 3, after taking activated carbon, sputum, iron, etc. can also be black, but dull and occult blood test is negative. Preparation before inspection: 1. Try to eat as much as possible high-fiber indigestible food such as corn before inspection. 2. It is forbidden to take iron drugs before the examination. Inspection process Visually, the normal color should be yellow, and the pathological color can be divided into pale, light gray, moderate brown, red, dark brown, and black. Not suitable for the crowd This test is a routine check and there are no unsuitable people. Adverse reactions and risks This test itself does not cause complications and harm.