Melena
Black stool. It is a manifestation of bleeding from esophagus, stomach or duodenum. Its colour depends on hematin – the product of hemoglobin acid hydrolysis in gastric juice. It is an indication to surgical examination and hospitalization.
Black stool. It is a manifestation of bleeding from esophagus, stomach or duodenum. Its colour depends on hematin – the product of hemoglobin acid hydrolysis in gastric juice. It is an indication to surgical examination and hospitalization.