Yes it can, and this trick is often used to prep people who refuse blood transfusions before surgery.
Refusing consent means that the physician has explained all of the benefits and risks of having a transfusion of blood and blood products AND the patient will not accept the risks associated with transfusion. It is a signed document.
that the blood types are the same or compatible
Yes. It can be.
After an operation, many patients need a blood transfusion.
I survived many years ago by getting a blood transfusion.
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.
The patient benefits from blood salvage by the elimination of the risk of blood-transmitted virus or blood transfusion reactions.
transfusion
yes
there is nothing to forgive, when a blood transfusion is required, the doctor in charge will do so to save the patient's life, end of story.
A Group and Screen is taken pre transfusion, this is to check the blood group to ensure the patient recieves the correct blood group.
If a transfusion is given to a patient from a person with a different blood type, the immune system will attack those blood cells. This can cause a severe reaction in the patient, including shock to the immune system or death.