2023年6月8日 · “Melena” is the medical term for the black, tarry stool that comes from bleeding in your upper gastrointestinal (GI) tract. Black stool is a sign of older blood in your stool. The …

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 …

2025年3月4日 · Melena refers to black, tar-like, sticky stools and usually results from upper gastrointestinal bleeding. The source of bleeding can come from damage to the lining of the GI …

Melena is the most common presenting symptom of major gastrointestinal hemorrhage. About 90% of quantitatively important gastrointestinal bleeding episodes occur from sites above the …

2024年4月1日 · Melena is when blood causes stools to appear black, tarry, and foul-smelling. The blood is dark because it is coming from somewhere in the upper digestive system, including …

梅琳娜是结肠出血引起的疾病。 首先，黑斑病的症状是呕吐物或粪便中有血液。 我什么时候应该去看医生？ 如果您有上述任何征兆或症状，或有任何其他问题，请咨询您的医生。 每个人的 …

2018年3月27日 · Gastrointestinal (GI) bleeding is usually categorized as either melena or hematochezia. Melena refers to black stools, while hematochezia refers to fresh, red blood in …

Melena is the passage of black, tarry, and foul-smelling bowel movements due to degradation of blood originating from the upper GI tract; it can rarely signify bleeding from the small bowel or …

During WWII, a teenage boy discovering himself becomes love-stricken by Malèna, a sensual woman living in a small, narrow-minded Italian town. Production Companies: Miramax, …

2025年1月2日 · Melena is defined by the presence of black, sticky stools that have a distinct foul odor, often described as resembling tar. This coloration is primarily due to the breakdown of …