Cholesterol Charts (What the Numbers Mean)

What is cholesterol?

Cholesterol is a waxy, fat-like substance that is naturally present in cell walls or membranes everywhere in the body. The body uses cholesterol to produce many hormones, vitamin D, and bile acids that help to digest fat. Too much cholesterol in your bloodstream can lead to narrowing of arteries in the body that cause heart attacks, strokes, and peripheral artery disease.

How are cholesterol levels checked?

Cholesterol levels are checked by a simple blood test. This test measures total cholesterol, low-density lipoproteins (LDL) cholesterol, high-density lipoproteins (HDL) cholesterol, and triglycerides. Your health-care professional will be able to help you interpret the blood test results to determine if your cholesterol levels are normal or require treatment.

Cholesterol Charts (what the numbers mean)

Total cholesterol is the sum of all the cholesterol in your blood. Your risk for heart attack and stroke increases with higher cholesterol levels. Other risk factors include smoking, high blood pressure, diabetes, and family history of heart disease or stroke.

Total cholesterol
Less than 200 mg/dL: desirable
200-239 mg/dL: borderline high risk
240 and over: high risk

HDL (high density lipoprotein) is considered the "good" cholesterol because it may help decrease the cholesterol buildup in the walls of arteries that causes narrowing of their openings.

HDL (high density lipoprotein)
Less than 40 mg/dL (men), less than 50 mg/dL (women): increased risk of heart disease
Greater than 60mg/dL: some protection against heart disease

LDL (low density lipoprotein) is considered "bad" cholesterol. The risk of heart disease goes up if you have a high level of LDL cholesterol in your blood because of increased potential for narrowing of blood vessels.

LDL (low density lipoprotein)
Less than 100 mg/dL: optimal
100-129 mg/dL: near optimal/above optimal
130-159 mg/dL: borderline high
160- 189 mg/dL: high
190 mg/dL and above: very high

Triglycerides are another type of fat in the bloodstream. High levels are a risk factor for narrowing arteries in the body.

Triglycerides
Less than n150 mg/dL: normal
150-199 mg/dL: borderline to high
200-499mg/dL: high
Above 500 mg/dL: very high

How to Lower Cholesterol with Diet and Exercise

High blood cholesterol can lead to heart attack. stroke, and peripheral artery disease. Check out these tips to lower cholesterol with lifestyle changes:

  • Reduce all fats in your diet. Pay particular attention to saturated fats.
  • Try to exercise 30 minutes a day. Go for a walk around the block after lunch or dinner, spend time in the garden, or ride bikes with the kids. If you can't get in 30 minutes, remember that any exercise is better than none.

What should I do if I have high cholesterol?

As described above, high total cholesterol blood levels are associated with an increased risk of heart disease, stroke, and peripheral vascular disease. Depending on the test results, lifelong treatment including healthy lifestyle changes and/or medications may be recommended.

If you have high cholesterol or triglyceride levels, the main goal of a treatment program is to lower the numbers to decrease the potential risk of narrowed arteries and their complications.

  • Lifestyle changes include eating a healthy diet low in unsaturated fats and cholesterol, exercise, weight control, and avoiding or quitting smoking.
  • Medications may be prescribed in conjunction with lifestyle changes. The health-care professional and patient decide together which medications may be required if lifestyle changes are not adequate to control cholesterol levels. The choice of medication depends upon which type of cholesterol or triglyceride is elevated, past medical history, other illnesses that may be present, and other medications that are being taken.
  • Cholesterol control is often a lifelong commitment.
  • Other risk factors associated with heart attack, stroke, and peripheral artery disease include smoking, high blood pressure, diabetes, and family history.
  • Cholesterol lowering medications may be prescribed even if cholesterol levels are relatively normal, if the risk of developing heart disease or stroke is high. Total cholesterol, HDL cholesterol, blood pressure, blood sugar, and body mass index (BMI) are all assessed by a doctor to determine whether medication may be helpful.

What online cardiovascular disease risk calculators are available?

See the following Websites for information on CVD risk calculators:

Reviewed on 11/20/2017

REFERENCES:

American Heart Association. What Your Cholesterol Levels Mean.
<http://www.americanheart.org/presenter.jhtml?identifier=183>

National Heart Lung and Blood Institute, National Institutes of Health. "Third Report of the Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel III)."
<http://www.nhlbi.nih.gov/guidelines/cholesterol/index.htm>

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