Overview shan yuan updated 292011 concept of component therapy. This article needs additional citations for verification. Some of the areas that you will be assessed on include plasma and red blood cells. Blood is the lifemaintaining fluid that circulates through the entire body. Visual assessment guide canadian blood services t05 021 january 2009. Blood is a fluid connective tissue that consists of plasma, blood cells and platelets. It circulates throughout our body delivering oxygen and nutrients to various cells. Guide to the preparation, use and quality assurance of blood components recommendation no. They will then take a closer look at each component while color coding and researching correct responses to questions.
Although often collected as whole blood and separated into major components prior to transfusion, automated collections have become common practice whereby the components that are needed for transfusion are the. Red blood cell hemolysis during blood bank storage. Sep 12, 2014 the unique component donation number and the blood group on the component pack must be the same as those on the laboratoryproduced label attached to the blood component bcsh, 2009. Blood, a living tissue circulating throughout the human body, is comprised of red blood cells, white blood cells, platelets and plasma. The whole blood which is a mixture of cells, colloids and crystalloids can be separated into different blood components namely packed red blood cell prbc concentrate, platelet concentrate, fresh frozen plasma and cryoprecipitate. The first result of this cooperation was the adoption of the european agreement on the exchange of therapeutic substances of human origin european treaty series, no. This essential fluid carries out the critical functions of transporting oxygen and nutrients to our cells and getting rid of carbon dioxide, ammonia, and other waste products. The nurse should also check the expiry date and time and carry out a visual check of the component to ensure there is no leakage, discolouration or clumping. Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. Know how components are prepared by whole blood separation and apheresis. Most patients are transfused with a component or product extracted from whole blood. From the onset, the activities were inspired by the following guiding principles. It is composed of blood cells and an aqueous fluid known as plasma. Mar 29, 2015 blood products whole blood one unit of donor blood collected in a suitable anticoagulant preservative solution and which contains blood cells and plasma.
Unlike the heart and the blood vessels, which are organs, blood is a complex tissue. Please help improve this article by adding citations to reliable sources. Blood plasma the composition of blood blood is a mixture, made up of four components. This document is intended to assist hospital transfusion. Formed elements of the blood 45% of blood volume erythrocytes or red blood cells rbcs leukocytes or white blood cells wbcs thrombocytes or platelets erythrocytes function carry oxygen to all body cells structure biconcave disk shape lacks nucleus anucleate contains hemoglobin 12 18 grams per 100 milliliters of blood. Its composition and function the blood in our circulatory system is a watery based fluid and consists of two basic components. We would like to show you a description here but the site wont allow us. Components of blood and their functions leadthecompetition. When something goes wrong in your blood, it can affect your health and quality of life. Because education law does not permit lpns to make patient assessments interpret or evaluate clinical data, the practice of blood component administration by lpns requires rn supervision.
Overview of blood and blood components health encyclopedia. The acceptability of a blood component for transfusion will be determined by local hospital policy and procedures under the direction of the transfusion services medical director ref csaz90204 4. This quizworksheet combo will help check your understanding of components and function of blood. Students will learn what our blood is made of with this worksheet. National asthma education and prevention program expert panel report 3 guidelines for the diagnosis and management of asthma summary report 2007. Blood plasma is a clear, sticky liquid composed mainly of water. It is the liquid component of blood and transports blood cells throughout the body along with nutrients, waste products, antibodies, clotting proteins, chemical messengers such as hormones, and proteins that help maintain the bodys fluid balance. The acceptability of a blood component for release from canadian blood services is determined by canadian blood services protocols and procedures. Plasma the plasma is the light yellow liquid portion of the blood and is about 90% water. Micronutrients for health isted below are all the vitamins and nutritionally essential minerals and their functions, some common dietary sources, and the intake recommendations supported by the national academy of medicine. Canadian blood services t05 021 january 2009 i table of contents introduction 1 how to use 3. It constitutes more than half of the blood s volume and consists mostly of water that contains dissolved salts electrolytes and proteins.
The bone marrow is the spongy material in the center of the bones that makes all types of blood cells. Acidbase balance overview the ph is a measurement of the acidity or alkalinity of the blood. When you are wounded, blood comes out of that wound quickly. Guide to the preparation, use and quality assurance of blood components author. Isbt 128 labelling standard for blood components data identifiers and data structures 20081009 2 isbt 128 technology standard much more than a new label layout provides standard information and layout for blood component labels defines data structure for information appearing on labels defines technical details for the bar code. The following document details the purpose, methodology and clinical consensus statements that have been developed by the blood service on behalf of the nba regarding the clinical indications for cmv seronegative. An euwide overview of the market of blood, blood components and. Administration of blood components to adults, children and neonates individual trusts incorporate this guidance into their local and regional policies, protocols and practice. Guide to the preparation, use and quality assurance of. Administration of blood components transfusion guidelines.
The collection, testing and use of blood and blood components in. Many types of anemia exist, such as irondeficiency. Blood is classified as a connective tissue and consists of two main components. Whole blood consists of rbcs, wbcs, platelets and plasma with anticoagulant 1 unit increases hgb 1 gdl and hct 3% when is it used. Blood and blood components safety, quality, training and. With regard to blood transfusion, cooperation among member states started back in the 1950s. Starting with the four main components, their functions and interesting facts.
Key recommendations keep it simple try to avoid complexity and concentrate on the key steps. Recommendations based on serial laboratory values component content volume expected change in labs indication trigger goals of transfusion warm fresh whole blood wfwb same components in same percentages as blood loss 400500 ml 1 unit wfwb replaces all components of blood loss in similar ratio. Blood component preparation components of whole blood are centrifuged. This layer contains leukocytes leuko white, the white blood cells that act in various ways to protect the body, and platelets, cell fragments that help stop bleeding. Blood measures guide consultative draft for comment and use foreword the principal aim of the blood measures project is to focus on the patient end of the blood supply chain and collect reliable data as to where the fresh blood components are being used and for what indications. In 1985 a test to detect the hiv aids antibody was added to the screening of blood to increase the safety of blood and blood component transfusion. They help the blood clotting process or coagulation by gathering at the site of an injury.
Clinical guidelines for the provision of cmv seronegative blood components executive summary. Pdf hemolysis of red blood cells rbcs during blood bank storage is the most obvious manifestation of rbc storage system failure. Pdf overview of blood components and their preparation. It is the major component of blood, representing 55% of total blood volume, with about 4050 ml kg weight. Patients who are actively bleeding and lost 25% of blood volume exchange transfusion. Transfusion of any blood component exposes a patient to certain risks.
Blood components a constituent separated from the whole blood, by differential centrifugation of one donor unit or by apheresis. Blood plasma is the liquid portion of blood in which the formed elements are embedded. Guide to the preparation, use and quality assurance of blood. Circular of information for the use of human blood and. Oct 15, 2014 4 components of blood and their functions 1. The acceptability of a blood component for release from canadian blood services is determined by canadian blood. There are other organs and systems in our bodies that help regulate blood cells. Two major functions of the blood include transporting substances to and from our cells and providing immunity and protection against infectious agents such as bacteria and viruses. It is therefore critical to transfuse blood components only when the specific component is indicate, and. Blood component therapy jeffrey jhang, md assistant professor of clinical pathology college of physicians and surgeons new york, ny learning objectives 1.
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