Blood transfusion is a common medical method. Simply put, blood transfusion is needed when the blood volume of the human body is insufficient, which may cause damage to important organs and even endanger life. It is common in the following situations: Massive hemorrhage after trauma; Major surgery; Hemorrhagic diseases, such as massive hemorrhage of the upper digestive tract, hemophilia, etc.; Some diseases that destroy blood cells, such as hemolytic anemia, thrombocytopenia, etc.; Bone marrow dysfunction, especially when bone marrow cannot produce blood normally, such as aplastic anemia, etc. Classification by blood source Blood transfusion is divided into autologous blood transfusion and allogeneic blood transfusion. For people with Rh negative blood type, it is safer to use self-blood transfusion. Autologous blood Read More …