It has been suggested that it may be possible, by means of the increased blood ammonia concentration, to differentiate ruptured esophageal varices from other gastrointestinal sites of hemorrhage ...

It is normal to have vaginal blood loss and discharge for several weeks after a hysterectomy, according to the American College of Obstetricians and Gynecologists. The bleeding is likely to be ...

The signs of a dangerous blood clot can vary depending on its location. Some people may also not experience any symptoms.

Implantation, an object left in your vagina, miscarriage, or an STI can also cause black blood. If you continue to experience dark bleeding with pain or other symptoms, call a doctor right away.

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The signs and symptoms of a GI bleed depend on its severity and location and may include: An acute GI bleed develops suddenly and often involves heavy bleeding. Significant blood loss can lead to ...