What does bone density mean
A bone mineral density (BMD) test is can provide a snapshot of your bone health. The test can identify osteoporosis, determine your risk for fractures (broken bones), and measure your response to osteoporosis treatment. The most commonly used BMD test is called a central dual-energy x-ray absorptiometry, or central DXA test. The T-score on your bone density report shows how much your bone mass differs from the bone mass of an average healthy 30 year old adult. A bone density test is like any other medical test or measurement. The results for the entire population will be distributed around an .
There are a variety of bone density tests available, but the "gold standard" test for bkne osteoporosis is the DEXA scan. Osteoporosis is an insidious illness that sneaks up on you. Studies suggest that about 50 percent of women over the age of 50 will suffer a fracture related to bone loss. And each year, approximately 80, men have a hip fracture. The acronym stands for dual energy x-ray absorptiometry, and it measures bone density in the spine, hip, or wrist.
If you do have low bone densitythose are the most common locations for fractures. A DEXA scan is painless and only takes about 15 minutes to perform. During the testyou lie on your back on a table and a scanner passes over your body taking radiographic images. Bone density should also be measured in women between the ages of 50 and voes who are considered high risk for osteoporosis. In addition to obtaining your what do labour pains feel like when they start DEXA scan results, repeating the scan every two to five years is recommended, depending on your risk factors.
The radiation emitted from a DEXA scan is about one-tenth the radiation emitted from a ahat x-ray. However, these tests are not accurate for diagnosing osteoporosis and are only used to identify people who would benefit from bone density testing.
The lower bone density dejsity results, the lower your total bone density, bpne osteopenia or osteoporosis. A T-score of This stage of bone loss is the precursor to osteoporosis. To better understand the current health of your bones, you should multiply your T-score by 10 percent as shown in the bone density results chart below. This will give you a rough estimate of how much bone density has already been how to restart acer computer. Many doctors admit that the DEXA T-score is not a perfect predictor mdan bone health or fracture risk.
Furthermore, your risk factors are just as important as your T-score and may lead to better predictions of bone disease. Use Our Quiz to Find Out! You can take steps right now, such as monitoring your calcium and vitamin D levels and utilizing weight-bearing exercisesto prevent or fight osteoporosis. Getting low bone density scores is only an initial warning. Are you going to sit there and do nothing, or will you prepare for the oncoming attack?
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What Does the Test Do?
Aug 04, · A bone mineral density (BMD) test can provide a snapshot of your bone health. The test can identify osteoporosis, deter-mine your risk for fractures (broken bones), and measure your response to osteoporosis treatment. The most widely recognized BMD test is called a central dual-energy X-ray absorptiometry, or central DXA test. Jun 23, · Even if you’re otherwise healthy, consulting a bone density chart and getting a baseline bone density scan can diagnose even the slightest beginnings of bone loss. There are a variety of bone density tests available, but the “gold standard” test for diagnosing osteoporosis is the DEXA scan (also written as “DXA scan“). The acronym stands for dual energy x-ray absorptiometry, and it measures bone density in the spine, hip, or wrist.
The test can measure bone density at your hip and spine. Peripheral bone density tests measure bone density in the lower arm, wrist, finger, or heel. These tests are often used for screening purposes and can help identify people who might benefit from additional bone density testing. A BMD test measures your bone mineral density and compares it to that of an established norm or standard to give you a score. Although no bone density test is percent accurate, the BMD test is an important predictor of whether a person will have a fracture in the future.
Most commonly, your BMD test results are compared to the ideal or peak bone mineral density of a healthy year-old adult, and you are given a T-score. A score of 0 means your BMD is equal to the norm for a healthy young adult.
Differences between your BMD and that of the healthy young adult norm are measured in units called standard deviations SD. The more standard deviations below 0, indicated as negative numbers, the lower your BMD and the higher your risk of fracture. A T-score between -1 and A T-score of The greater the negative number, the more severe the osteoporosis. The information provided by a BMD test can help your doctor decide which prevention or treatment options are right for you.
If you have low bone mass that is not low enough to be diagnosed as osteoporosis, this is sometimes referred to as osteopenia. Low bone mass can be caused by many factors, such as:. Although not everyone who has low bone mass will develop osteoporosis, everyone with low bone mass is at higher risk for the disease and the resulting fractures. As a person with low bone mass, you can take steps to help slow down your bone loss and prevent osteoporosis in the future.
Your doctor will want you to develop—or keep—healthy habits such as eating foods rich in calcium and vitamin D and doing weight-bearing exercise like walking, jogging, or dancing.
In some cases, your doctor may recommend medication to prevent osteoporosis. Osteoporosis : If you are diagnosed with osteoporosis, these healthy habits will help, but your doctor will probably also recommend that you take medication.
Several effective medications are available to slow—or even reverse—bone loss. If you do take medication to treat osteoporosis, your doctor can advise you concerning the need for future BMD tests to check your progress. The U. Preventive Services Task Force recommends that all women over age 65 have a bone density test.
Women who are younger than age 65 and at high risk for fractures should also have a bone density test. Due to a lack of available evidence, the task force did not make recommendations regarding osteoporosis screening in men. Various professional medical societies have established guidelines concerning when a person should get a BMD test. For more information about these guidelines, go to the Osteoporosis page of MedlinePlus.
Thank you for your submission! What Is a Bone Density Test? What Does the Test Do? The T-score Most commonly, your BMD test results are compared to the ideal or peak bone mineral density of a healthy year-old adult, and you are given a T-score.
Low bone mass Bone density is between 1 and 2. Osteoporosis Bone density is 2. Severe established osteoporosis Bone density is more than 2. Low Bone Mass Versus Osteoporosis The information provided by a BMD test can help your doctor decide which prevention or treatment options are right for you.
Low bone mass can be caused by many factors, such as: Heredity The development of less-than-optimal peak bone mass in your youth A medical condition or medication to treat such a condition that negatively affects bone Abnormally accelerated bone loss Although not everyone who has low bone mass will develop osteoporosis, everyone with low bone mass is at higher risk for the disease and the resulting fractures. Expertise Nutrition Health Food Safety. Articles Flu vs. Food Poisoning?
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