For an infant, the blood may be obtained by puncturing the heel with a small needle lancet. If the blood is being drawn from a vein, the skin surface is cleaned with antiseptic, and an elastic band tourniquet is placed around the upper arm to apply pressure and cause the veins to swell with blood.
A needle is inserted into a vein usually in the arm inside of the elbow or on the back of the hand and blood is withdrawn and collected in a vial or syringe. After the procedure, the elastic band is removed. Once the blood has been collected, the needle is removed and the area is covered with cotton or a bandage to stop the bleeding.
Collecting blood for this test will only take a few minutes. Either method heel or vein withdrawal of collecting a sample of blood is only temporarily uncomfortable and can feel like a quick pinprick. Afterward, there may be some mild bruising, which should go away in a day or so.
The blood sample will be processed by a machine. The results are commonly available within a few days. If results suggest any abnormality, the doctor will likely perform further tests. The immunoglobulin test is considered a safe procedure. However, as with many medical tests, some problems can occur with having blood drawn, like:.
Having a blood test is relatively painless. Still, many children are afraid of needles. Explaining the test in terms your child can understand might help ease some of the fear. Allow your child to ask the technician any questions he or she might have. Tell your child to try to relax during the procedure, as tense muscles can make it harder and more painful to draw blood. It also may help for your child to look away when the needle is being inserted into the skin.
If you have questions about the immunoglobulin test, speak with your doctor. You also can talk to the technician before the procedure. Note: All information on KidsHealth is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. All rights reserved. Find a Doctor. The health professional will clean your child's finger, then prick the tip of it with a tiny needle or lancet to collect the blood.
In babies, blood draws are sometimes done as a "heel stick collection. Collecting a sample of blood is only temporarily uncomfortable and can feel like a quick pinprick.
Parents usually can stay with their child during a blood test. Encourage your child to relax and stay still because tensing muscles can make it harder to draw blood. Your child might want to look away when the needle is inserted and the blood is collected.
Help your child to relax by taking slow deep breaths or singing a favorite song. Most blood tests take just a few minutes. Sometimes, it can be hard to find a vein, so the health professional may need to try more than once.
The health professional will remove the elastic band and the needle and cover the area with cotton or a bandage to stop the bleeding. Afterward, there may be some mild bruising, which should go away in a few days. It may take a few days for the results to be available. If the test results show signs of a problem, the doctor might order other tests to figure out what the problem is and how to treat it.
An immunoglobulin test is a safe procedure with minimal risks. Some kids might feel faint or lightheaded from the test. A few kids and teens have a strong fear of needles.
If your child is anxious, talk with the doctor before the test about ways to make it easier. A small bruise or mild soreness around the blood test site is common and can last for a few days.
Get medical care for your child if the discomfort gets worse or lasts longer. If you have questions about the immunoglobulin test, speak with your doctor or the health professional doing the blood draw. This may mean taking a daily antibiotic to ward off infections. You may need to alternate between other antibiotics if infections and symptoms still happen.
Some people who suffer from severe infections may be resistant to antibiotic treatment. If you have been diagnosed with IgG deficiency, call your healthcare provider whenever you have signs of infection.
This is true even if you just have a cold. When the symptoms come on later in life, the health problem is harder to manage, and the person tends to have more infections. At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also, write down any new instructions your provider gives you. Know why a new medicine or treatment is prescribed, and how it will help you.
Also, know what the side effects are. Health Home Conditions and Diseases. What are IgG deficiencies? What causes IgG deficiencies?
What are the symptoms of an IgG deficiency? Infections that most often affect people with IgG deficiency are: Sinus infections and other respiratory infections Gastrointestinal infections Ear infections Pneumonia Bronchitis Infections that result in a sore throat Rarely, severe and life-threatening infections In some people, infections cause scarring that harms the airways and lung function. How is an IgG deficiency diagnosed?
How is an IgG deficiency treated?
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