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Titlesort descending Definition
Rabies An acute, potentially fatal viral infection that attacks the central nervous system resulting in paralysis and eventually death. The rabies virus is carried primarily by wild animals, especially bats and raccoons. It is transmitted through infected saliva, usually through the bite of a rabid animal. The disease is characterized by increased salivation, abnormal behavior, eventual paralysis, and (when untreated) death. It is also called hydrophobia due to an infected person's inability to swallow water.
Rabies Immune Globulin Rabies immune globulin is used along with rabies vaccine to prevent infection caused by the rabies virus. It works by giving your body the antibodies it needs to protect it against the rabies virus. This passive protection lasts long enough to protect your body until it can produce its own antibodies. Rabies immune globulin is given to people who have been exposed to an animal that may have the virus. This is used only in people who have never before received the rabies vaccine.
Radiation Oncology The treatment of cancer with therapeutic radiation. Radiation oncology is also called radiation therapy or radiotherapy.
Recessive A genetic trait that is expressed only if both genes in a gene pair share the trait; will not be expressed if a dominant gene is present.
Recombinant Refers to biologically engineered blood coagulation factor Bio-Engineered Factor product. Contains no human component, lowering the risk of viral contamination. Recombinant Factor refers to genetically engineered or cloned FVIII, FIX, or FVII that is not derived from human plasma.
Reconstitution Returning a substance previously altered for storage or preservation to its original state. For example, lyophilized (or powderized) IVIG's must be returned to a liquid state to be administered.
Recovered Plasma Plasma that is supplied from donations of whole blood, as opposed to source plasma which is obtained through plasmapheresis. Recovered plasma is collected at blood drives. Donor frequency averages once or twice a year. Derivatives of this plasma include albumin, IVIG, coagulation factors, and hyper-immunes. In a 25,000 liter pool of blood, there are approximately 100,000 donors. For comparison, see Source Plasma.
Respiratory Syncytial Virus (RSV) A virus that induces formation of syncytial masses in infected cell cultures. It is a major cause of respiratory disease in children.
Rh Sensitization Also known as Rh Isoimmunization. In persons with an Rh-negative blood type, the development of antibodies to the Rh factor caused by exposure to Rh-positive blood. This condition is dangerous during pregnancy because of the Rh antibodies can be harmful to an Rh-positive fetus, possibly resulting in Hemolytic Disease of the Newborn. Rh sensitization after exposure is prevented through injection of Rh-antibodies, in the form of Rho(D) immune globulin, to clear the Rh-factor from the blood.
Rimabotulinumtoxin B for Injection Botulinum toxins are proteins produced by the bacterium Clostridium botulinum. RimabotulinumtoxinB is utilized in the treatment of cervical dystonia.
Ristocetin Cofactor Unit (RCU) Unit of measurement for vonWillebrand factor, the medication used to treat vonWillebrand's Disease. It is a measure used to assess effectiveness and dosage. Brand name for this factor is Humate -P.
RSV See: Respiratory Syncytial Virus