What does your CRP report mean? (C-Reactive Protein Test) Let's find out exactly.

When you look at a blood test, you probably pay a lot of attention to cholesterol, especially the bad cholesterol, LDL. Because we all know that when LDL levels increase, the chances of developing diseases like heart attacks and strokes increase. But the story doesn't end there. Studies have found that 50% of people who have had heart attacks did not have high LDL levels. So, doctors use another test to accurately assess the risk. That's what we call the C-Reactive Protein, or CRP test.

What exactly is CRP?

Simply put, C-Reactive Protein (CRP) is a protein produced by our liver. When there is inflammation , that is, swelling caused by some damage, somewhere in your body, this CRP level increases in the blood.

Think about it this way. Bad cholesterol (LDL) doesn't just stick to the walls of our blood vessels, it also damages them. This damage is what we call inflammation. It's like a small wound. When the body tries to heal this damage, it produces special proteins that act as a "help team." CRP is one such protein. That is, if there is inflammation somewhere in the body, we can see it from the CRP level. It's like when we see smoke, we assume there is a fire somewhere.

Why would a doctor recommend a CRP test?

The CRP test measures the amount of C-Reactive Protein in your blood. This can give your doctor a good idea of ​​the level of inflammation in your body.

Some studies suggest that CRP is a better predictor of cardiovascular disease (CVD) risk than LDL cholesterol. However, it is not a specific test for heart disease. It only indicates whether there is inflammation in the body. The inflammation could be caused by heart disease or something else.

There are other cases where this test is used:

• Autoimmune Diseases: This test is also done for people with diseases like Lupus or Rheumatoid Arthritis. Because these diseases also cause inflammation in the body. This test also helps to see if the medication given reduces that inflammation. However, this test cannot tell where in the body the inflammation is.
• Infections: This test is performed if there is a suspicion of a systemic infection such as sepsis, fungal infection, or bone infection.
• Second heart attack risk: It is also used to see what the risk of having another heart attack is for someone who has already had a heart attack.
• Other diseases: This also helps to diagnose conditions such as inflammatory bowel disease and lung disease.

How to understand the values ​​in the CRP report?

Your doctor may order this CRP test if you have symptoms of an infection, such as fever, chills, rapid heartbeat, increased breathing rate, nausea, and vomiting.

This is a very simple blood test. Usually, a small amount of blood is taken from a vein in your arm. It doesn't require any special preparation (such as fasting). There is no pain other than a small sore spot where the needle is inserted. However, some medications you are taking may affect the results of this test. So be sure to tell your doctor about all the medications you are taking.

Once you receive your results, the table below will help you understand the values. But remember, these values ​​may vary slightly from lab to lab. So be sure to show your report to your doctor and get advice.

A special CRP test (hs-CRP) that looks at heart disease risk

There is a test that is more sensitive than the standard CRP test, which is used to assess cardiovascular disease (CVD) risk. It is called High-Sensitivity CRP (hs-CRP) .

This test is most useful for people who have a 10%-20% risk of developing a heart attack within the next 10 years. CRP levels, like cholesterol levels, can help predict heart disease risk. One study found that having high CRP levels tripled the risk of heart attack.

Here's how to interpret hs-CRP results:

Because CRP levels can vary slightly from day to day, it's best to get this test done twice, two weeks apart, to accurately assess your risk of heart disease. Also, having a high hs-CRP level doesn't necessarily mean you have heart disease. So it's important to compare it with your LDL cholesterol level to get the full picture.

What should you do if your CRP level is high?

If your CRP level is high, treatment will depend on the cause. If your CRP level is elevated due to a risk factor for heart disease, there are several things you can do to reduce that risk:

• Adopt a heart-healthy diet: Eat foods low in oil, salt, and sugar, and high in fruits and vegetables.
• Control cholesterol.
• Maintain a proper body weight.
• Exercise regularly.
• If you have diabetes or high blood pressure, control them well.
• If you smoke, stop immediately.
• Limit alcohol consumption.

Statins, a type of cholesterol-lowering medication, can help reduce the risk of heart disease in people with high CRP levels. However, if your cholesterol levels are normal, statins may not be the right answer for high CRP levels. It's best to talk to your doctor about which treatment option is best for you.

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