Yekebas et al defined a sentinel bleed in a patient with postpancreatectomy hemorrhage. The authors are from the University of Hamburg.
Patient selection: status post pancreatic resection
Criteria for a sentinel bleed - all of the following:
(1) discrete but evident blood loss (hematemesis, melena, nasogastric tube, surgical drain)
(2) decrease in hemoglobin concentration <= 1.5 g/dL
(3) spontaneous cessation of hemorrhage without transfusion
(4) symptom-free interval for >= 12 hours followed by rehemorrhage
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Specialty: Gastroenterology, Surgery, general