take off the elastic band and remove the needle from the vein.pull the blood sample into a vial or syringe.insert a needle into a vein (usually in the arm inside of the elbow or on the back of the hand).put an elastic band (tourniquet) above the area to get the veins to swell with blood. ![]() Most blood tests take a small amount of blood from a vein. Wearing a T-shirt or short-sleeved shirt for the test can make things easier for your child, and you also can bring along a toy or book as a distraction. Tell your doctor about any medicines your child takes because some drugs might affect the test results. Your child should be able to eat and drink normally unless also getting other tests that require fasting beforehand. How Should We Prepare for a Hemoglobin A1c Test? Sometimes a hemoglobin A1c test is done as part of a routine checkup to screen for problems. If a child with diabetes has a high hemoglobin A1c level, it may mean that medicines need to be adjusted. When a child has diabetes, hemoglobin A1c levels are followed to see how well medicines are working. Glucose levels and hemoglobin A1c levels can be high if diabetes is not well controlled. ![]() Glucose is a type of sugar used by the body for energy. What Is a Hemoglobin A1c Test?Ī hemoglobin A1c test measures how well controlled glucose levels have been for the last 3 months. Sometimes, blood tests can help them see how well an organ (such as the liver or kidneys) is working. This can help them detect problems like a disease or medical condition. Doctors order blood tests to check things such as the levels of glucose, hemoglobin, or white blood cells. A blood test is when a sample of blood is taken from the body to be tested in a lab.
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