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13 Cards in this Set
- Front
- Back
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General term for the art and science of measuring the bone mineral density for diagnosis of Osteoporosis
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Bone Densitometry
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Is bone living tissue?
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yes
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What 2 categories is bone made up of?
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Cortical
Cancellous or trabecullar |
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Cortical bone?
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outer portion or dense shell
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cancellous or trabecullar bone
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latticelike/spongy portion that provides strength
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Bone masses increases until what age?
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30-35
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At what age does bone denisty start to decrease more pronouncely?
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50
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Osteoporosis is a health threat for how many americans
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25 million
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What are the causes of osteoporosis?
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1. menopause
2. height of more than 5'6 3. diet low in calcium 4. inactivity 5. smoking 6. Caucasian or Asian |
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incorporates use of high and low x-ray energy range to account for maximal attenuation differences in bone and soft tissue
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Dual- energy x-ray absorptiometry
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Allows both trabecullar and cortical bone analysis. Cost and radiation dose is higher.
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Quantitative Computed Tomography
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Uses nonionizing technique to assess bone mineral density in peripheral site selections. The most common site is os calcis
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Quantitative Ultrasound
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What type of positioning for DXA imaging
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Spine and Hip
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