![]() The number of incompatible transfusions in the United States is negligible because the systems are strong enough to prevent it from happening. That said, hospitals must get it right because the stakes are high. We’ve realized people can do very well with lower blood counts and can avoid infections and other kinds of reactions. And the number of transfusions has gone down. In the United States, there are about 14 million units of blood transfused every year. How do you know you’ll get the right blood type in the hospital? ![]() But, again, most people will never need a solid organ transplant. Your blood type also affects who you can get organs from: for lungs, liver, kidney, and heart, you’ll need an organ from someone with a compatible blood type. The most common procedure performed in a hospital is blood transfusion (you need it during open heart surgery, hip replacements, and other major procedures), but most people go through their lives not needing a blood transfusion. Negative blood types develop immune responses to positive blood, which can lead to an immune system attack on the red blood cells of a fetus, now and in a future pregnancy. Women of childbearing age will get O negative blood. If you are in an emergency, life-threatening, bleed-to-death situation and staff do not have time (usually around 45 minutes) for ABO determination results, you will be given O blood. If you have a medical procedure, the staff needs to confirm. If you donate blood, you may have a donor card with your type listed, but staff still needs to confirm. Why not?Įven if you know your blood type, if you do anything with your blood, the type will need to be verified. It’s beneficial information for the medical community but it is not beneficial to you. Is it important for someone to know their blood type? It takes 7 to 10 days to get the initial response.Įither way, the systems are in place for blood type mistakes not to happen. There’s more time when it comes to the positive and negative types. The reaction is immediate and can be life-threatening. But if you get blood type B, your immune system will see it as foreign and will attack those red blood cells. If you’re blood type A, and you get A blood, your immune system recognizes the A sugar and doesn't react to it. The A and B blood types are immunogenic: the body’s immune system will react to them if it doesn't know them. If something happens to you-an accident, illness, or injury that requires a blood transfusion-blood type is important because you want your body to accept the blood it receives. What do A, B, and O mean in blood type?Ī and B are sugars (carbohydrates) on the surface of red blood cells. Your blood type is a result of your genes. ![]()
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