red blood cells have protein embedded in their membranes.
people make antibodies against these proteins - except the ones they already have.
thus, a doners and a recipients blood "type" must match.
There's more ... but it'll start you off.
The blood given by transfusion must be matched with the recipient's blood type. Incompatible blood types can cause a serious adverse reaction (transfusion reaction). Blood is introduced slowly by gravity flow directly into the veins
Yes, blood must be transfused into a body with the same blood type. If blood is transfused into a body with a differing blood type , the body may become ill and fight to kill the differing DNA.
Blood types must be matched specifically except of the case of O neg. which I have.
Since a patient with Type B blood has B antigens on their RBC's and since Type O blood has both anti-A and anti-B antibodies present in the blood plasma, the donor blood needs to be treated before transfusion. The Type O blood needs to be separated into packed cells and plasma, usually done by centrifuge, and only the packed cells should be used for the transfusion. Remember the anti-B antibodies are present in the Type O blood plasma and could cause serious damage in the system of a patient with Type B blood.
This belief is common enough that I've heard it before, but in fact it's generally a very bad idea to attempt to transfuse blood across species. Cats have three blood types (A, B, and AB)... they don't have anything like the human "Universal Donor" O type, so transfusions for cats must be cross-matched.
No, blood cannot be drawn during a transfusion as the purpose of a transfusion is to provide blood to the patient, not to remove blood from them. Drawing blood during a transfusion would disrupt the process and potentially cause harm to the patient.
no air bubble must get in
Risks associated with autologous blood transfusion include transfusion reaction if an allogeneic blood transfusion was inadvertently given and transmission of infectious agents if the blood became contaminated.
you have a certain blood type, and if you get a bloodtype that doesn't math yours or is able to cooperate with yours you body could reject it and it could make you sick. ~Rae
Blood type is the composition of your blood. Every blood type is different. In order for your body to accept blood in a transfusion, you must receive the blood that is compatible with you.
Routine preoperative preparations, such as not eating or drinking the night before surgery, typically are ordered for a mastectomy. The patient also may be asked to donate blood in case a blood transfusion is required during surgery.
First you must have a type and screen which determines your blood type. Then the blood get cross-matched to see if it is a good fit. There are many factors that must be considered before a person receives blood. Of course in a trauma situation where there is no time to type, screen and cross match patients always receive Type O negative blood as this is the "Universal Donor."