Blood Types Cappiello

2014

Blood Groups and Transfusions

Antigens- red blood cell surface molecules which react with antibodies

Antibodies- carried in blood plasma

Antigen vs. Antibodies

Occur for many reasons.. Possible side effects

◦ Aggutination: clumping of red blood cells following a transfusion

◦ Cyanosis◦ Difficulty breathing

Transfusion

Determining Blood Type Blood Type Antigen Antibody

A A Anti-B

B B Anti-A

AB A and B Neither Anti A/B

O Neither A or B Both Anti A/B

For example, a person with only antigen A has type A blood. A person with only Antigen B has type B Blood. A person that has AB blood has both antigens A and B and a person with neither antigen A or B has O type blood.

Blood Type of Recipient

Preferred Blood Type of Donor

Permissible Blood Type of Donor (in emergencies)

A A O

B B O

AB AB A, B, O

O O No alternatives

Blood Donations

Who is a universal donor? Why?

Who is a universal recipient? Why?

Named after the Rhesus Monkey Considered “Antigen D”

◦ If the Rh Antigen is present on the blood cell membranes the blood is said to be Rh-positive

◦ If the Rh Antigen is absent the blood is called Rh-negative

Only 15% of the US population is Rh negative

Can be given different Rh factor

Rh Blood Group

Blood Type Commonalities