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Transfusion medicine

Blood Types

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Biology
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Blood
Medicine
Transfusion medicine
Anatomy
Hematology
Blood type
Human blood group systems
Cross-matching
Rh blood group system
Blood transfusion
ABO blood group system
Antibody

ABO and Rh Blood Groups Blood type is inherited from your parents and is determined by the presence or absence of certain antigens, or agglutinogens, on the surface of red blood cells. Blood plasma also contains specific antibodies, or agglutinins. These antibody molecules will react to foreign antigens causing those cells to burst, a process called hemolysis. This is why it?s important to perform blood type testing before blood transfusions. There are several types of surface antigens on blood cells, but the ABO and Rh antigens are the most common. Rh Blood Group: The Rh blood groups has two types, Rh positive and Rh negative. The Rh surface antigen is also called the D antigen. If the antigen is present, the type is Rh+ and if it is absent, the type is Rh-.

Sickle Cell Anemia PPT

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Biology
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Medical specialties
Branches of biology
Medicine
Hematopathology
RTT
Health in Africa
Hemoglobins
Transfusion medicine
Sickle cell disease
Anemia
Sickle cell trait
Red blood cell

By: 2/15/2011 Period: 1 HbS disease Hemoglobin S disease Sickle cell disease (SCD) Sickle cell disorder Genetic disorder Recessive Chromosome 11 If both parents are carriers 25% but if one parent has the disease the chance of getting it rises to 50% Low blood count Random pains (particularly in abdomen) Dactylitis (swelling of hands or feet) seizures extreme paleness Increasing fatigue shortness of breath or trouble breathing numbness or tingling severe headaches or dizziness painful erection (males only) Inability to move body parts Changes in vision slurring of speech Delayed puberty/growth Ulcers Whiteness in eyes All 50 states test newborns for the sickle cell trait, during newborn screening.
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