Bone
Density Scan (DEXA)
Osteoporosis Screening
Frequently Asked Questions
•
What Is a Bone Density Scan?
•
Why Is a Bone Density Scan Performed?
•
What Can I Expect During A Bone Density Scan?
•
How Long Will My Bone Density Scan Take?
•
Is Bone Density Scanning Safe?
•
Do I Need A Referral (Prescription) To Have
My Bone Density Examination?
•
When Will I Know The Results Of My Examination?
•
What Should I Do to Prepare for a Bone Density
(DEXA) Exam?
What
Is a Bone Density Scan?
A
bone density scan measures the amount of bone mineral content
in certain areas of the body. Our advanced fan beam technology
measures the spine and both hips. Your bone mineral density (BMD)
is then compared to reference standards to determine if you are
at risk for fractures. Low bone density is usually caused by osteoporosis
resulting in reduced bone strength or "brittle bones."
Bone
Density scanning works by measuring the amount of x-rays that
are absorbed by the bones in your body. The two x-ray energies
allow the machine to differentiate between bone and soft tissue
density, giving a very accurate estimation of bone density. Our
Radiologist will produce a report for your physician based on
the bone density measurement and your medical history. Bone Density
scanning has proven to be the most accurate methods of measuring
bone density, uses the least amount of radiation, and is lower
in cost than other methods.
Why
Is a Bone Density Scan Performed?
Osteoporosis
is a silent, progressive disease that can have crippling effects
on both women and men. Reduced bone strength can lead to fractures
resulting in loss of mobility and independence. The DEXA scan
will provide valuable information on your bone mineral density
and will even predict future fracture risk. Your physician will
use the bone density scan information to decide if treatment for
low bone mineral content or osteoporosis is necessary.
What
Can I Expect During A Bone Density Scan?
Your
examination may be the easiest medical test you will experience.
Certified Technologists with specialty training in bone densitometry
will conduct the exam. You will be positioned on the exam table
on your back while a scanner passes over one area of your skeleton,
usually the lower spine and hip. You will not feel anything during
the exam. Lie still. Breathe normally. Rest comfortably.
How
Long Will My Bone Density Scan Take?
The
actual scan lasts about 15 minutes.
Is
Bone Density Scanning Safe?
We
utilizes "Dual Energy X-ray Absorptiometry" (DEXA) technology
which offers an extremely low x-ray dose.
The
amount of radiation for a Bone Density scan is only a fraction
of that received from a standard chest x-ray. It is comparable
to the amount received on a transcontinental flight. Although
DEXA emits a very low amount of radiation, always inform the technologist
if there is a chance of pregnancy.
Do
I Need A Referral (Prescription) To Have My Bone Density Examination?
Yes,
your doctor must provide a referral (prescription) in order for
you to receive a bone density scan. In addition, some insurance
carriers or HMO's require a precertification. Please discuss this
with your doctor and your insurance company or HMO prior to your
test. Medicare requires a "Certificate of Medical Necessity"
which your doctor will complete.
When
Will I Know the Results of My Examination ?
A
detailed written report of the procedure, findings, and results
will be sent to your physician in within couple days.
What
Should I Do to Prepare for a Bone Density (DEXA) Scan Exam?
Do
not take calcium supplements the day of the exam. Wear any kind
of clothing you like, but please avoid metal buttons or buckles.
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