<prompt> True about transfusion malaria by Plasmodium vivax is the following EXCEPT:Incubation period is shortStage of pre-erythrocytic development is absentClinical features and complications are different than in naturally acquired infectionRadical treatment with primaquine is unnecessary  <response>: Ans. c Clinical features and complications are different than in naturally acquired infection Ref: Harrisons 17thp. 1285; Park 22nd250TRANSFUSION MALARIA Most common organism P.vivax and malariae. Incubation period short as no pre-erythrocytic stage of development. Clinical features and management is same as that of naturally acquired infection. No need of radical treatment for P.vivax and ovale infection. Parasite remains for at least 14 days in stored blood. Person who had malaria should not transfuse blood for at least 3 years.Also know:MASSIVE BLOOD TRANSFUSION defined as1 adults: a replacement of 1 blood volume in 24 hours ,or b 50 of blood volume in 4 hours adult blood volume is approximately 70 mLkg.2 children transfusion of 40 mLkg blood volume in children over 1 month old is approximately 80 mLkg.Initially TRANSIENT HYPERGLYCEMIA due to glucose in preservatives; Overall most commonly-- HYPOGLYCEMIA HYPERGLYCEMIA Most Common cause of death after massive blood transfusion is-- DIC TRALI Transfusion-Related Acute Lung Injury is the most common cause of major morbidity and death after transfusion. It presents as an acute respiratory distress syndrome ARDS either during or within 6 h of transfusion. 