Blood in Stool (Hematochezia): Causes, Diagnosis, Treatment - WebMD
2023年11月15日 · Blood in Stool (Hematochezia): Learn causes of bloody stools, the tests to diagnose the underlying problem, & treatment options.
Hematochezia: What Is It, Causes, Signs, Symptoms - Osmosis
2023年2月6日 · Hematochezia refers to the passage of fresh, bright red blood in the stool and is typically indicative of bleeding that stems from the lower gastrointestinal (GI) tract.
Hematochezia - Wikipedia
Hematochezia is a form of blood in stool, in which fresh blood passes through the anus while defecating. It differs from melena, which commonly refers to blood in stool originating from upper gastrointestinal bleeding (UGIB). [1] The term derives from …
Approach to the Patient With Hematochezia - Mayo Clinic …
2017年5月1日 · This concise review offers a practical approach to 5 clinical presentations of hematochezia, ranging from hemodynamically significant life-threatening UGIB to anorectal “outlet” bleeding.
Hematochezia vs Melena: Symptoms, Causes, Diagnosis, Treatment - Healthline
2018年3月27日 · Hematochezia and melena both refer to having blood in your stool. While hematochezia causes bright red blood to appear in or around your stool, melena causes dark stools that often feel sticky.
Rectal Bleeding - StatPearls - NCBI Bookshelf
2023年7月31日 · Rectal bleeding, or hematochezia, is a frequently encountered problem in the outpatient setting. It can herald a pathology in the proximal lower gastrointestinal tract, but it can also be from diseases specific to the rectal region, such as hemorrhoids, fissures, proctitis, and anorectal malignancy.
大便带血 - 百度百科
大便带血即便血，英文名 hematochezia，是由于消化道出血所导致的，也就是说血液由肛门排出。 便血是消化系统疾病中常见的症状，一般指的是空、回肠、 结肠 与 直肠 的下消化道部位的病变引起的出血，血液是由肛门排出的，但是便血的颜色一般可出现鲜红色、暗红色、黑色等。 而少量出血的病人通常不会造成大便颜色的改变，需要进行 隐血试验 才能够确诊，该情况称作为隐血。 便血可能是由于下消化道疾病、上消化道疾病、 白血病 、血小板减少性紫癜等原因导致的， …
HEMATOCHEZIA (blood in stool): symptoms, causes and …
What is hematochezia? Hematochezia is the medical term for rectal bleeding. It refers to the passage of fresh blood mixed with stool through the rectum. Bleeding anywhere in the lower gastrointestinal tract such as the colon or anus can cause rectal bleeding.
Diagnosis and treatment of hematochezia: guideline for clinical ...
Lower gastrointestinal bleeding mostly occurs in older age. Mortality caused by acute and chronic lower gastrointestinal bleeding is very high. On the other hand, there are difficulties in clinical practice to find the cause and making the diagnosis and therapy for hematochezia.
Rectal bleeding: MedlinePlus Medical Encyclopedia
2022年5月6日 · Rectal bleeding is when blood passes from the rectum or anus. Bleeding may be noted on the stool or be seen as blood on toilet paper or in the toilet. The blood may be bright red. The term "hematochezia" is used to describe this finding.