Pathology notes

Apr 16th, 2015
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Blood transfusionPresentationMurano S.AWhat is blood Intransfusion?a blood transfusion, donated blood is added to your ownblood. A blood transfusion may also be done to supplementvarious components of your blood with donated bloodproducts. In rare cases, a blood transfusion is done with blood thatyou've donated ahead of time before you undergo surgery. Abloodtransfusionusuallytakesonetotwohours,thoughinanemergencyitcanbedonemuchfaster. Abloodtransfusionboostsbloodlevelsthatarelow,eitherbecauseyourbodyisn'tmakingenoughorbecausebloodhasbeenlostduringsurgery,injuryordisease.Preparation and testingAll donated blood is tested for infections. HIV-1, HIV-2, HTLV-1, HTLV-2, Hepatitis B, Hepatitis C, Syphilis, Chagas disease, and West Nile Virus. Platelet products are also tested for bacterial infections dueto its higher inclination for contamination owing to storage atroom temperature. Presence of Cytomegalovirus (CMV) is also tested because ofrisk to certain immunocompromised recipients if given, suchas those with organ transplant or HIV. However, not all bloodis tested for CMV because only a certain amount of CMVnegative blood needs to be available to supply patient needs.Continued.. All donated blood is tested for ABO and Rh groups, alongwith the presence of any red blood cell antibodies. Leukoreduction is the removal of

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