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Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.
Common side effects include vomiting, black stools, diarrhea, and constipation. [1] A more serious side effect, pneumonitis, may result if aspirated into the lungs. [1] [2] Gastrointestinal obstruction and ileus are less common but serious adverse effects. [1] Use in pregnancy and breastfeeding is generally safe. [3]
Digested blood from the upper gastrointestinal tract may appear black rather than red, resulting in "coffee ground" vomit or melena. [2] Other signs and symptoms include feeling tired, dizziness, and pale skin color. [18] A number of foods and medications can turn the stool either red or black in the absence of bleeding. [2]
Hemosuccus pancreaticus is a rare cause of hemorrhage in the gastrointestinal tract.It is caused by a bleeding source in the pancreas, pancreatic duct, or structures adjacent to the pancreas, such as the splenic artery, that bleed into the pancreatic duct, which is connected with the bowel at the duodenum, the first part of the small intestine.
The strongest predictors of an upper gastrointestinal bleed are black stool, age <50 years, and blood urea nitrogen/creatinine ratio 30 or more. [8] [9] The diagnosis of upper gastrointestinal bleeding is assumed when hematemesis (vomiting of blood) is observed. [citation needed]
A lower gastrointestinal bleed is defined as bleeding originating distal to the ileocecal valve, which includes the colon, rectum, and anus. [2] LGIB was previously defined as any bleed that occurs distal to the ligament of Treitz, which included the aforementioned parts of the intestine and also included the last 1/4 of the duodenum and the entire area of the jejunum and ileum. [1]
Rhino Pill Side Effects and Risks At this point, you know that neither we nor the FDA are big fans of Rhino pills (or other bootleg gas station ED pills). There have been reports that their ...
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]