tar poo
Introduction
Introduction Tarry stool: The upper digestive tract or small intestine bleeds and stays in the intestine for a long time. After red blood cell destruction, hemoglobin combines with sulfide in the intestine to form ferrous sulfide, making the stool black, and more Mucus is shiny, similar to tar, so it is called tar. The tar-like form is also known as black stool. When suffering from peptic ulcer, hemorrhagic gastritis, erosive gastritis, esophageal cancer, gastric cancer, cirrhosis and other gastrointestinal diseases or aplastic anemia, leukemia, hemophilia and other blood diseases, upper gastrointestinal bleeding will occur. Make the stool black and tarred.
Cause
Cause
The tar-like stool is caused by upper gastrointestinal bleeding. When the intestinal memory exceeds 60ml, tar-like stools can be discharged. Generally, hemorrhage in the upper part of the pylorus is accompanied by vomiting-like stool; less bleeding in the stomach or bleeding below the pylorus is often only tar-like and no hematemesis. Therefore, gastric ulcer, gastritis bleeding is mostly vomiting blood with tar-like stool, and duodenal ulcer bleeding often has oil sputum, rarely hematemesis.
Examine
an examination
Related inspection
Upper gastrointestinal tract examination for fecal occult blood test (OBT)
In clinical practice, when you see tar-like stools, you must first check the history of the digestive system and blood system diseases, clinical symptoms and signs; second, check the occult blood, hemoglobin, blood coagulation; if necessary, check the abdominal ultrasound, Stomach or duodenoscope. To determine whether it is the upper gastrointestinal bleeding, as well as the location, cause and severity of bleeding, provide the basis for the next treatment.
Diagnosis
Differential diagnosis
Upper gastrointestinal bleeding can appear as tar-like stool, but tar-like is not necessarily upper gastrointestinal bleeding, such as taking activated carbon, Lizhu Dele, Dele granules, Lizhu stomach triple, stomach must cure, bismuth potassium citrate orally Liquid, pectin, iron, and other drugs, or eating mulberry, leeks, black rice, blood sausage, blood, duck blood, sheep blood, pig liver and other foods, there will also be tar-like stools.
