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There is a bedside version of the test in which the doctor collects four or five drops of blood in a small tube, cools the tube in ice water for 30-60 seconds, and looks for clumping of red blood cells.

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What does a cold agglutinins test confirm?

The cold agglutinins test is used to confirm the diagnosis of certain diseases that stimulate the body to produce cold agglutinins


What are normal results on a Cold Agglutinins Test?

The results of the cold agglutinins test require a doctor's interpretation. In general, however, a normal value is lower than 1:32.


What is associated with a cold agglutinins test?

disease most commonly diagnosed by this test is mycoplasmal pneumonia, but mononucleosis, mumps, measles, scarlet fever, some parasitic infections, cirrhosis of the liver, and some types of hemolytic anemia can also cause the formation of cold agglutinins


What is the purpose of the febrile agglutinins test?

The febrile agglutinins test is used to confirm the diagonsis of certain infectious diseases that stimulate the body to produce febrile agglutinins.


What are abnormal results of a Cold Agglutinins Test?

Any value higher than 1:32 suggests a diagnosis of mycoplasmal pneumonia or one of the other viral infections or disease conditions indicated by this test.


What special handling does a cold agglutinins test require?

A cold agglutinins test requires special handling to prevent false results due to temperature sensitivity. Blood samples should be collected in a warm tube and kept at body temperature until they are processed, typically by using a heat block or incubator. Additionally, the sample should be tested promptly, ideally within a few hours, to minimize the effects of cold exposure that can lead to agglutination inappropriately. Proper labeling and immediate transport to the lab are also essential to ensure accurate results.


What is ice blood test for?

The ice blood test, commonly known as the cold agglutinin test, is a diagnostic procedure used to detect the presence of cold agglutinins in the blood, which are antibodies that cause red blood cells to clump together at lower temperatures. This test is often used to diagnose conditions like cold agglutinin disease or certain types of autoimmune hemolytic anemia. Blood samples are typically kept on ice before testing to prevent agglutination at room temperature, ensuring accurate results.


Where are agglutinins found?

in the plasma


How are agglutinins like security guards?

As they are type of antibody they are known as securitygaurd


Do you have to warm the blood if tranfusing someone with cold agglutinin?

Yes, it is recommended to warm the blood before transfusing someone with cold agglutinin. Cold agglutinins are antibodies that can cause the red blood cells to clump together in cold temperatures, potentially leading to blockages in blood vessels if transfused without being warmed. Warming the blood helps prevent this complication and ensures a successful transfusion.


What are the similarities between agglutinogens and agglutinins?

Both found in blood and both part of the immune system.


Febrile/cold agglutinins?

DefinitionAgglutinins are antibodies that cause the red blood cells to clump together.Cold agglutinins are active at cold temperatures.Febrile (warm) agglutinins are active at normal body temperatures.This article discusses the blood test used to measure the level of these antibodies in the blood.Alternative NamesCold agglutinins; Weil-Felix reaction; Widal's test; Warm agglutininsHow the test is performedBlood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. (The tube is first warmed to normal body temperature - 98.6 degrees F). The elastic band is removed from your arm.Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding.In infants or young children, a sharp tool called a lancet may be used to puncture the skin and make it bleed. The blood collects into a small glass tube called a pipette, or onto a slide or test strip. A bandage may be placed over the area if there is any bleeding.The sample is sent to a laboratory.How to prepare for the testThere is no special preparation.How the test will feelWhen the needle is inserted to draw blood, some people feel moderate pain, while others feel only a prick or stinging sensation. Afterward, there may be some throbbing.Why the test is performedThis test is done to diagnose certain infections and to determine the cause of hemolytic anemia. Distinguishing between warm and cold agglutinins can help understand why the hemolytic anemia is occurring and can direct therapy.Normal ValuesWarm agglutinins: no agglutination in titers at or below 1:80Cold agglutinins: no agglutination in titers at or below 1:16Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.What abnormal results meanThe presence of warm agglutinins may occur with:Infections, including brucellosis, rickettsial disease, salmonella infection, and tularemiaLymphomaSystemic lupus erythematosusUse of certain medicines, including methyldopa, penicillin, and quinidineThe presence of cold agglutinins may occur with:Infections, especially Mycoplasma pneumoniaPrevious viral, staphylococcal, or malaria infectionCancer, including lymphoma and multiple myelomaSystemic lupus erythematosusWhat the risks areVeins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.Other risks associated with having blood drawn are slight but may include:Excessive bleedingFainting or feeling light-headedHematoma (blood accumulating under the skin)Infection (a slight risk any time the skin is broken)Special considerationsIf cold agglutinin disease is suspected, the individual needs to be kept warm.ReferencesSchwartz RS. Autoimmune and intravascular hemolytic anemias. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 164.Baum SG. Mycoplasma infections. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 338.Powers A, Silberstein LE. Autoimmune hemolytic anemia. In: Hoffman R, Benz EJ, Shattil SS, et al, eds. Hematology: Basic Principles and Practice. 5th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2008:chap 47.