Transfusion medicine experts must make numerous calculations on a regular basis to guarantee that their patients receive safe and effective treatment. Blood transfusion is a medical procedure that can save a person's life. Transfusions of blood or blood components, like any other treatment, must be ordered and performed safely and appropriately. Transfusion is a process rather than a single isolated occurrence. Donor considerations are the first step in the transfusion process (whether their donation is safe for them to make and whether the donation is safe for any patient to receive). Following the collection of blood, the safety of the blood product becomes a priority (infectious disease testing, compatibility testing, necessary modifications such as irradiation or leukocyte reduction). Recipient considerations are at the end of the transfusion procedure (proper identification of the unit and the patient, appropriateness of blood as the best treatment modality, administration of the unit, evaluation of the recipient).
People's health is affected by hematopoietic disease, which includes disorders of leukocytes, erythrocytes, platelets, hemostatic processes, vascular biology, immunology, and hematologic oncology. Hematology, or haematology, is a discipline of biology (physiology), pathology, clinical laboratory, internal medicine, and paediatrics that studies blood, blood-forming organs, and blood illnesses. The study of the aetiology, diagnosis, treatment, prognosis, and prevention of blood illnesses is known as haematology. People of various ages are affected by hematologic illness all throughout the world. Researchers in the discipline of haematology have achieved significant advances during the last decade.