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Why knowing your blood type matters The importance of blood types and the convenience of the EldonCard™
Knowing your blood type can help you understand your health better; it is also needed for blood donations and important for safe pregnancies. Most critically, it could save your life if you need an emergency blood transfusion. You can learn your blood type in just a couple of minutes using the EldonCard™
Understanding Blood Types
All blood consists of plasma, red and white blood cells, and platelets. Your blood type is inherited from your parents and determined by the presence or absence of certain antigens and antibodies. The antigens are protein markers present on the surface of red blood cells, while antibodies are produced in the plasma or liquid portion of the blood. The type of antigen you have tells us what your blood type is.
Depending on the antigen on the red blood cells the blood type is classified by two elements: The ABO grouping system and the Rhesus (Rh) factor which is either present (Rh positive) or not present (Rh-negative). For example, if you have A antigens on your red blood cells, your blood type is A. If someone has both A and B antigens, they are type AB. If you do not have any antigens on the surface of red blood cells, your blood type is O. For each antigen on the blood cell, the opposite antibody is produced in the plasma. For example, type B blood has anti-type A antibodies.
Receiving blood that’s incompatible with one’s own blood type may trigger a serious immune response that can be fatal. While there are more than 20 blood-type systems, ABO and Rh are by far the most important.
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