Blood System Portfolio: Rhesus System

The Rhesus blood system is arguably the second most important blood system behind the ABO system. There are 50 defined blood group antigens, among which the five antigens; D, C, E, c, e are the most significant. Individuals who are Rh positive possess the D antigen and those who are Rh negative lack the D … Continue reading Blood System Portfolio: Rhesus System

Blood Components 101

This will serve as a guide for the specific indications, storage requirements and stability of the different blood components. Storage Whole Blood, Packed Red Blood Cells: 1-6 degrees Celsius. Plasma, Cyroprecipitated AHF: -18 degrees Celsius. Platelets: 20-24 degrees Celsius with continuous gentle agitation. Granulocytes: 20-24 degrees Celsius without agitation. Stability Whole Blood: When refrigerated a … Continue reading Blood Components 101

Blood System Portfolio: ABO Group

The ABO blood group system was first discovered in 1901 by Karl Landsteiner. In 1902 Sturli and Von Decastello discovered the AB group. The ABH antigens do not develop until about 6 weeks of fetal life and the concentration of antigens increases until 3-4 years of age and level out. Antibodies to the ABO blood … Continue reading Blood System Portfolio: ABO Group

Blood Draw Tube Colors and Order

The tube order may not seem like a big deal and may seem unnecessary to some, but it is very important to pay attention too. It also matters as to what type of needle is being used for the draw. If a butterfly needle is being used it is important to have a spit tube … Continue reading Blood Draw Tube Colors and Order

Transfusion Reactions

The blood bank of any laboratory deals with a huge responsibility. They play a role in the initial compatibility testing of blood donor products and the recipient or patient serum. The patients serum contains naturally occurring antibodies or in certain circumstances where the patient has had a previous transfusion, the serum can contain alloantibodies that … Continue reading Transfusion Reactions