VLDL, and Amount of CRP
VLDL, and Amount of CRP
For Third part of our essay, we are going to share you about VLDL, and amount of CRP.
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VLDL
Definition
There are three major types of lipoproteins. VLDL contains the highest amount of
triglycerides. VLDL is considered a type of
bad cholesterol, because it helps
cholesterol build up on the walls of arteries.
This article discusses the laboratory test to measure the amount of VLDL in your blood.
Alternative Names
Very Low Density Lipoprotein test
How the test is performed?
A blood sample is needed. For information on how this is done, see:
Venipuncture
How the test will feel?
When 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 performed?
Your doctor may order this test to determine your risk of heart disease. Increased levels of VLDL are linked to atherosclerosis, which can lead to coronary heart disease.
Normal Values?
Normal VLDL cholesterol level is between 2 and 30 mg/dL.
Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
The examples above show the common measurements for results for these tests. Some laboratories use different measurements or may test different specimens.
What abnormal results mean?
High levels may be associated with a higher risk for heart disease and stroke.
What the risks are?
There is very little risk involved with having your blood taken. Veins and arteries vary in size from one patient to another and from one side of the body to the other. Taking blood from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
-
Excessive bleeding
-
Fainting or feeling light-headed
-
Hematoma (blood accumulating under the skin)
-
Infection (a slight risk any time the skin is broken)
Special considerations
There is no simple, direct way of measuring VLDL. Most labs estimate your VLDL based on your
triglyceride level. It is approximately one fifth of your
triglycerides level, although this is less accurate if your
triglyceride level is above 400 mg/dL.
C-Reactive Protein
Definition
C-reactive protein is produced by the liver. The level of CRP rises when there is inflammation throughout the body.
This article discusses the blood test done to measure the amount of CRP in your blood.
Alternative Names
CRP; High-sensitivity C-reactive protein; hs-CRP
How the test is performed?
Blood is typically 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 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.
At the laboratory, your blood sample is mixed with a liquid called an antiserum, which contains substances that look for the specific protein.
How to prepare for the test?
No preparation is necessary for this test.
How the test will feel?
When 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 performed?
The CRP test is a general test to check for inflammation in the body. It is not a specific test. That means it can reveal that you have inflammation somewhere in your body, but it cannot pinpoint the exact location.
Your doctor may order this test to:
-
Check for flare-ups of inflammatory diseases such as rheumatoid arthritis, lupus, or vasculitis.
-
Determine if anti-inflammatory medicine is working to treat a disease or condition.
However, a low CRP level does not always mean that there is no inflammation present. Levels of CRP may not be increased in people with rheumatoid arthritis and lupus. The reason for this is unknown.
A more sensitive CRP test, called a high-sensitivity C-reactive protein (hs-CRP) assay, is available to determine a person's risk for heart disease. Many consider a high CRP level to be a risk factor for heart disease. However, it is not known whether CRP is merely a sign of cardiovascular disease or if it actually plays a role in causing heart problems.
Normal Values
Normal CRP values vary from lab to lab. Generally, there is no CRP detectable in the blood.
Your doctor may also use a highly sensitive test called hs-CRP to help determine your risk of heart disease. According to the American Heart Association:
-
You are at low risk of developing cardiovascular disease if your hs-CRP level is lower than 1.0mg/L
-
You are at average risk of developing cardiovascular disease if your levels are between 1.0 and 3.0 mg/L
-
You are at high risk for cardiovascular disease if your hs-CRP level is higher than 3.0 mg/L
Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
The examples above show the common measurements for results for these tests. Some laboratories use different measurements or may test different specimens.
What abnormal results mean?
A positive test means you have inflammation in the body. This may be due to a variety of different conditions, including:
-
Cancer
-
Connective tissue disease
-
Heart attack
-
Infection
-
Inflammatory bowel disease (IBD)
-
Lupus
-
Pneumococcal pneumonia
-
Rheumatoid arthritis
-
Rheumatic fever
-
Tuberculosis
This list is not all inclusive.
Note: Positive CRP results also occur during the last half of pregnancy or with the use of birth control pills (oral contraceptives).
What the risks are?
Veins 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 bleeding
-
Fainting or feeling light-headed
-
Hematoma (blood accumulating under the skin)
-
Infection (a slight risk any time the skin is broken)
This information is for educational purposes only and is not intended to replace the advice of your doctor or health care provider. We encourage you to discuss with your doctor any questions or concerns you may have.
Hopefully all last three contents and essays could help you to increase the basic knowledge. It also can help you to know what to choose for your life, not only regular life but also the high quality life style.
2019-08-17 03:00:00
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