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blood transfusionThe administration of blood—usually understood to mean a transfusion of packed red cells—to a recipient, to replace red cells or blood products lost due to severe bleeding.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
blood transfusionThe transfer of blood or blood products from a donor into a recipient, usually to replace red cells or blood products lost through severe bleeding. See Autologous transfusion, Blood conserving therapy, Directed donation.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
blood transfusionThe administration of blood, by instillation into a vein, to replace blood lost or to treat a failure of blood production. Before transfusion, the blood group of the recipient must be known and serum from the blood to be transfused is cross-matched with the recipient's blood cells to confirm compatibility. Sometimes the patient's own blood, collected at operation or obtained earlier, is used.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005