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Cholesterol & Triglycerides Health Center

Accurate or Not? At-Home Cholesterol Tests and Blood Pressure Monitors

The advantages and disadvantages of checking your cholesterol and blood pressure at home.
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Home Cholesterol Tests continued...

Third, and perhaps most important, blood cholesterol -- unlike blood pressure -- doesn't change on a day-to-day or even week-to-week basis. Doctors recommend that healthy adults get cholesterol tests every five years; people with higher cholesterol levels or risk factors for cardiovascular disease may need to be tested more often. But even then, testing at home isn't really necessary.

Bottom line: At-home cholesterol tests may satisfy your curiosity, but they don't provide enough information to be truly helpful.

Home Blood Pressure Monitors

Home blood pressure monitors are a different story. They allow you to measure your blood pressure on a daily or even hourly basis, so you can gauge the effect of medication, activities, time of day, or even emotions on your blood pressure. They can be crucial if you tend toward high blood pressure, or if you have normal blood pressure, but get high readings at the doctor's office, a condition called "white coat hypertension."

Like blood pressure monitors in a doctor's office, the at-home monitors measure the force of blood inside an artery in your arm. During the test, a cuff that is wrapped around your arm inflates, temporarily stopping the flow of blood in your arm. When the cuff is released, you (or the nurse or the device) will listen for the sound of blood flowing back into the artery.

You can choose from three different types of blood pressure monitors.

Manual Blood Pressure Monitors

Technically called "sphygmomanometers," manual blood pressure monitors consist of an arm cuff, a squeeze bulb, a gauge (or digital display), and a stethoscope or microphone. To use them, you strap the cuff onto your arm, squeeze the bulb, and listen for the sound of your pulse starting and then fading away again.

Manual blood pressure monitors cost between $20 and $30 and can be difficult to use, especially if you're not used to using a stethoscope, if you have impaired vision or hearing, or if you have trouble with manual dexterity.

Automatic (or Digital) Blood Pressure Monitors

Powered by batteries, automatic blood pressure monitors have a cuff that is attached to your wrist or upper arm. An electronic monitor inflates and deflates the cuff, making this kind of device far easier to use than the manual ones. The monitor then displays your blood pressure. These blood pressure monitors generally cost between $40 and $100. Although they're easier to use, they're also sensitive and the readings can be influenced by your body position. Health professionals generally recommend having these devices adjusted at least once a year to make sure they're still accurate.

Despite the problems with both kinds of blood pressure monitors, many doctors encourage their patients to use them, so that they can be aware of dangerous spikes in their blood pressure and take a more active role in their home care. But if you do decide to monitor your own blood pressure, remember:

  • To avoid fraud, buy monitors only from reputable pharmacies or medical supply stores and be sure they are FDA approved.
  • Follow the manufacturer's directions to make sure you're getting the most accurate readings.
  • Share the results with your doctor, so that he or she can advise you on the next step.
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Reviewed on January 08, 2007

Is This Normal? Get the Facts Fast!

Is Your Cholesterol Level Heart Healthy?
What is your LDL (low-density lipoprotein) level?

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Answer:
Desirable
0-199
Borderline
200-239
High
240+

Your level is currently

Congratulations! Your total cholesterol level is in the Desirable range, and your level of "bad" LDL cholesterol is optimal.

Congratulations! Your total cholesterol level is in the Desirable range, and your level of "bad" LDL cholesterol is near optimal.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is borderline high. If your LDL goes higher, your total cholesterol level could become Borderline High. Consider reducing the amount of foods you eat with saturated fats and increasing physical activity. If you get more exercise, your level of "good" HDL cholesterol may increase, which could also help to keep your levels of LDL and total cholesterol in check.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is High. This may mean that your level of high-density lipoprotein (HDL), or "good" cholesterol, is too low. It is best to have a high level of "good" HDL and a low level of "bad" LDL. The HDL helps keep your LDL level in check. Ask your doctor for your HDL level. If your HDL is low, increasing your physical activity can increase it, which may help reduce your LDL level.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is Very High. This may mean that your level of high-density lipoprotein (HDL), or "good" cholesterol, is too low. It is best to have a high level of "good" HDL and a low level of "bad" LDL because the HDL helps keep your LDL level in check. Ask your doctor for your HDL level. If your HDL is low, increasing your physical activity can increase it, which may help reduce your LDL level.

Your total cholesterol level is Borderline High, but fortunately your level of "bad" LDL cholesterol is optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have other non-measured increases in LDL-like particles that can increase heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is Borderline High, but fortunately your level of "bad" LDL cholesterol is near optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have other non-measured increases in LDL-like particles that can increase heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is Borderline High. Your level of "bad" LDL cholesterol is Borderline High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is Borderline High. Your level of "bad" LDL cholesterol is High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is Borderline High. But your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol is High, but your level of "bad" LDL cholesterol is optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol is High, but your level of "bad" LDL cholesterol is near optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is Borderline High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe medication, such as statins. Following medication, dietary, and exercise instructions should result in improvements.

Your total cholesterol level is High, and your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe statins or other cholesterol-lowering medications.

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