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1. 成人における急性上部消化管出血へのアプローチapproach to acute upper gastrointestinal bleeding in adults [show details]
…majority of melena (black, tarry stool) originates proximal to the ligament of Treitz (90 percent), though it may also originate from the oropharynx or nasopharynx, small bowel, or colon . Melena may be seen …
2. 出血性疾患の疑いのある成人患者へのアプローチapproach to the adult with a suspected bleeding disorder [show details]
…specificity and may be a sign of trauma or skin fragility rather than a true bleeding disorder. Symptoms such as hematuria, melena, and heavy menstrual bleeding are also less helpful since these are more …
3. 小児における上部消化管出血に対するアプローチapproach to upper gastrointestinal bleeding in children [show details]
… material) and/or melena (black, tarry stools). The appearance of the stool is not a reliable indicator of the source of the bleeding. Although melena suggests UGI bleeding,… Important considerations include: True UGI bleeding in a neonate must be distinguished from swallowed maternal blood.…
4. 成人における上部消化管出血の原因causes of upper gastrointestinal bleeding in adults [show details]
… of blood or coffee ground-like material) and/or melena (black, tarry stools).… and is most often iatrogenic. Because it is associated with a high mortality rate, it represents a true medical emergency. The third or fourth portion of the duodenum is the most common site for aortoenteric…
5. 食物アレルギーの臨床症状：概要clinical manifestations of food allergy an overview [show details]
… nonimmunologic reactions to food are more common than true food allergies.… pallor The stools are typically watery, with occasional mucus, although grossly bloody diarrhea (melena) is possible. The vomiting is intermittent in the chronic setting but can be severe and can lead…