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Blood Test: Lipid Panel
- What Is a Blood Test?
- What Is a Lipid Panel?
- Why Are Lipid Panels Done?
- How Should We Prepare for a Lipid Panel?
- How Is a Lipid Panel Done?
- Can I Stay With My Child During a Lipid Panel?
- How Long Does a Lipid Panel Take?
- What Happens After a Lipid Panel?
- When Are Lipid Panel Results Ready?
- Are There Any Risks From Lipid Panels?
What Is a Blood Test?
A blood test is when a sample of blood is taken from the body to be tested in a lab. Doctors order blood tests to check things such as the levels of glucose, hemoglobin, or white blood cells. This can help them detect problems like a disease or medical condition. Sometimes, blood tests can help them see how well an organ (such as the liver or kidneys) is working.
What Is a Lipid Panel?
A lipid panel measures levels of different kinds of fats in the blood.
- Total cholesterol, which is the amount of the different types of cholesterol added together. Cholesterol is a fatty substance that the body needs some of. But too much cholesterol can cause problems.
- High-density lipoprotein (HDL) cholesterol, often called "good" cholesterol. HDL helps the body get rid of extra cholesterol.
- Low-density lipoprotein (LDL) cholesterol, often called "bad" cholesterol. LDL that builds up in the bloodstream can clog blood vessels and increase the risk of heart disease.
- Triglycerides, which store energy until the body needs it. If the body holds on to too many triglycerides, blood vessels can get clogged and cause health problems.
Why Are Lipid Panels Done?
A lipid panel can show a person's risk for developing heart disease or atherosclerosis (a hardening, narrowing, or blockage of the arteries). Fixing the lipid levels early on may lower the risk of heart disease and atherosclerosis.
How Should We Prepare for a Lipid Panel?
Your child may be asked to stop eating and drinking for 8 to 12 hours before the test, and not to exercise for 12 to 14 hours before. Tell your doctor about any medicines your child takes because some can affect the test results.
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.
How Is a Lipid Panel Done?
Most blood tests take a small amount of blood from a vein. To do that, a health professional will:
- clean the skin
- put an elastic band (tourniquet) above the area to get the veins to swell with blood
- insert a needle into a vein (usually in the arm inside of the elbow or on the back of the hand)
- pull the blood sample into a vial or syringe
- take off the elastic band and remove the needle from the vein
In babies, blood draws are sometimes done as a "heel stick collection." After cleaning the area, the health professional will prick your baby's heel with a tiny needle (or lancet) to collect a small sample of blood.
Collecting a sample of blood is only temporarily uncomfortable and can feel like a quick pinprick.
Can I Stay With My Child During a Lipid Panel?
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.
How Long Does a Lipid Panel Take?
Most blood tests take just a few minutes. Occasionally, it can be hard to find a vein so the health professional may need to try more than once.
What Happens After a Lipid Panel?
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.
When Are Lipid Panel Results Ready?
Blood samples are processed by a machine, and it may take a few hours to a day 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.
Are There Any Risks From Lipid Panels?
A lipid panel 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 the procedure 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 lipid panel, speak with your doctor or the health professional doing the blood draw.