A 19-year-old hemophilia patient with abdominal pain over the past three days and hematemesis. [ncbi.nlm.nih.gov]

[…] also occupy the entire luminal thickness of the bowel loop, and in such case one should be careful not to confuse the intraluminal extravasation of the contrast with the normal mucosal enhancement of the bowel loop, particularly in cases where it is collapsed [ncbi.nlm.nih.gov]

A 19-year-old hemophilia patient with abdominal pain over the past three days and hematemesis. [ncbi.nlm.nih.gov]

[…] bleeding 2016 2017 2018 2019 Billable/Specific Code K29.01 ) hemorrhage of anus and rectum ( ICD-10-CM Diagnosis Code K62.5 Hemorrhage of anus and rectum 2016 2017 2018 2019 Billable/Specific Code Type 1 Excludes gastrointestinal bleeding NOS ( K92.2 ) melena [icd10data.com]

It can be occult, when detected only by laboratory fecal occult blood tests, or overt, when it clinically manifests as active bleeding due to hematemesis, melena, hematochezia or enterorrhagia, frequently leading patients to seek emergency care, and possibly [ncbi.nlm.nih.gov]

It can be occult, when detected only by laboratory fecal occult blood tests, or overt, when it clinically manifests as active bleeding due to hematemesis, melena, hematochezia or enterorrhagia, frequently leading patients to seek emergency care, and possibly [ncbi.nlm.nih.gov]

Additionally, it is an invasive method, not exempt of complications such as the risk of intestinal perforation ( 11, 14 ). [ncbi.nlm.nih.gov]

[…] gastrocolic ulcer (peptic) or erosion gastrointestinal ulcer (peptic) or erosion gastrojejunal ulcer (peptic) or erosion jejunal ulcer (peptic) or erosion marginal ulcer (peptic) or erosion stomal ulcer (peptic) or erosion Type 1 Excludes primary ulcer [icd10data.com]

Among its main causes, one should highlight esophageal and gastric ulcers ( 2 ). GIB is classified either as upper or lower, depending upon its origin above or below the ligament of Treitz, respectively. [ncbi.nlm.nih.gov]