Ads
related to: stools color diagnosis
Search results
Results from the WOW.Com Content Network
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.
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]
Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena, with a black appearance, typically originating from upper gastrointestinal bleeding; or to hematochezia, with a red color, typically originating from lower gastrointestinal bleeding. [6]
“Unabsorbed iron can form complexes with compounds in your gastrointestinal tract that can lead to black stools,” says Samuel A. Akinyeye, M.D., assistant professor in the division of ...
In fact, a recent study of the most Googled medical symptoms by state from MedicareHealthPlans found that, in head-scratchingly specific fashion, “light colored poop” and “dark green stool ...
Light or clay-colored stools could signal a liver or pancreas issue, and narrow, thin stools could suggest a narrowing or growth in the colon. ... Signs, Symptoms and Work-Up, American Cancer ...
The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding. 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]
If pale or clay-colored stool (or acholic stool as your doctor might refer to it) is the result of a serious health issue, there are usually other symptoms. Here are some of the reasons you might ...
Ads
related to: stools color diagnosis