Vomiting purple blood usually refers to vomiting venous blood, usually seen in upper gastrointestinal bleeding, such as peptic ulcer, cirrhosis of the liver, etc., but also seen in hematologic diseases, such as leukemia.
1. Peptic ulcer: such as gastric ulcer, duodenal ulcer and other diseases lead to gastrointestinal mucosal damage, when its treatment is not timely, or the disease is delayed, can lead to ulcer hemorrhage, perforation and other serious complications, resulting in the vomiting of blood manifestations. If the blood is stagnant in the stomach for a long time, it is often purple after vomiting.
2. Cirrhosis of the liver: various factors lead to extensive necrosis of liver cells after nodular regeneration, the patient may appear esophageal – fundic varices, when it is under certain triggers, may appear venous rupture, resulting in acute hemorrhage, manifested as vomiting purple blood, black stools and other conditions.
3. Blood diseases: such as leukemia, thrombocytopenic purpura and other diseases, which can lead to the decline of coagulation function of the patient, easy to bleed, can cause widespread bleeding, such as gastrointestinal bleeding can be caused by vomiting blood performance.
In short, after the occurrence of hemorrhage, vomiting blood, should quickly go to the hospital, timely replenishment of blood volume, to clarify the original disease, and actively accept the treatment.