What is a Bone Density Test?

In the course of my daily work, I continue to getoperating the machine is seated close nearby.
patients that have no idea what a Bone MineralSome facilities will require you change into a
Density test (BMD) involves. Some think it ispatient gown, removing any items with zippers,
similar to a bone scan (which is a Nuclear Medicinebuttons, belts, etc. Others may ask you to come
test), or an MRI or a CT (CAT) scan. Othersdressed in clothing without any metal objects on
think it involves needles or drills to get a samplethem and in this case you will not need to change
of bone to test! Ouch!and can be safely scanned in the clothes you are
In fact, a BMD test (sometimes referred to as awearing. It will depend on the department's
DEXA, or DXA scan) is quite likely one of theprotocol as to what they require you to wear (or
easiest medical tests you will ever have. All itnot wear).
really involves is for the patient to lie on theirAfter your scan is completed, the results are
back on a cushioned table top while being scanned.prepared by the technologist for the Radiologist (a
A typical exam involves the scanning of themedical doctor specializing in radiology
Lumbar (or, lower) spine and one hip, usually theinterpretation) to report. It is the radiologist's
left, sometimes both. If one of these areasreport that the referring doctor receives. The
cannot be scanned for some reason, such astechnologist is trained to operate the machine
scoliosis (excessive curvature of the spine), orefficiently as well as caring for the patient's needs.
metal hip replacements or surgically placed metalThey cannot (and really should not) give patients
rods or screws in the lower spine, then a forearmany personal observations on what they see on a
scan is performed.scan.
A typical scan takes only a few minutes, after aSo as you can see, a BMD test is pretty simple
relevant medical history along with the patient'safter all and is nothing to be unduly concerned
weight and height are taken. As you can see, theover. If you still have questions, feel free to ask
arrangement is by no means claustrophobic andyour doctor, or contact the Radiology department
the radiation dose is so low that the technologistbefore your scan.