Major Errors in ABO Grouping and Cross-Matching

Donors and recipients

Antigens present on the red blood cells of the donor

Incompatibilities between the donor and recipient

<p>Detecting incompatibilities</p> Signup and view all the answers

<p>Two types</p> Signup and view all the answers

<p>3 – 5%</p> Signup and view all the answers

<p>To check for compatibility between donor and recipient blood.</p> Signup and view all the answers

<p>Label a test tube.</p> Signup and view all the answers

<p>5</p> Signup and view all the answers

<p>Prepare 3 – 5% cell suspensions of red cells. Major Crossmatch. Label a test tube.</p> Signup and view all the answers

<p>To determine if the patient has antibodies that may cause transfusion reactions or decreased survival of transfused cells.</p> Signup and view all the answers

<p>Testing the patient's cells with donor plasma to check for antibodies in the donor's plasma that may react with the patient's cells.</p> Signup and view all the answers

<p>Testing the patient's serum with donor red blood cells to detect antibodies in the patient's serum that may react with the donor's cells.</p> Signup and view all the answers

<p>It helps prevent transfusion reactions and ensures compatibility between the patient and donor cells.</p> Signup and view all the answers

<p>By detecting antibodies in the donor plasma that may react with the patient's cells, preventing adverse reactions.</p> Signup and view all the answers

<p>By capillary action</p> Signup and view all the answers

<p>A small bit of the tube is broken every 30 seconds</p> Signup and view all the answers

<p>A fine thread of fibrin</p> Signup and view all the answers

<p>To observe fibrin formation</p> Signup and view all the answers

<p>To draw the blood into the tube</p> Signup and view all the answers

<p>To detect the presence of incomplete antibodies and complement binding antibodies in the serum after coating red cells in vitro.</p> Signup and view all the answers

<ol> <li>Add a drop of the cell suspension with a defined concentration of EDTA.AHG. 2. Add a drop of the reagent. 3. Mix and centrifuge at 1000 rpm for one minute. 4. Gently shake the tube and read the results using an optical aid.</li> </ol> Signup and view all the answers

<p>Incomplete antibodies and complement binding antibodies in the serum.</p> Signup and view all the answers

<p>To ensure accurate testing and reliable results.</p> Signup and view all the answers

<p>To prevent contamination and ensure consistency in testing conditions.</p> Signup and view all the answers

<p>To avoid any changes in the sample that could affect the test results.</p> Signup and view all the answers