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Bone Mineral Densitometry

Bone Mineral Densitometry is a topic covered in the Davis's Lab & Diagnostic Tests.

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General

Synonym/Acronym:
BMD, DEXA, DXA, SXA, QCT, RA, ultrasound densitometry.

Dual-energy x-ray absorptiometry (DEXA, DXA): Two x-rays of different energy levels measure bone mineral density and predict risk of fracture.

Single-energy x-ray absorptiometry (SXA): A single-energy x-ray measures bone density at peripheral sites.

Quantitative computed tomography (QCT): QCT is used to examine the lumbar vertebrae. It measures trabecular and cortical bone density. Results are compared to a known standard. This test is the most expensive and involves the highest radiation dose of all techniques.

Radiographic absorptiometry (RA): A standard x-ray of the hand. Results are compared to a known standard.

Ultrasound densitometry: Studies bone mineral content in peripheral densitometry sites such as the heel or wrist. It is not as precise as x-ray techniques but is less expensive than other techniques.

Common Use:
To evaluate bone density related to osteoporosis.

Area Of Application:
Lumbar spine, heel, hip, wrist, whole body.

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Bone Mineral Densitometry." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425369/all/Bone_Mineral_Densitometry.
Bladh ML, Van Leeuwen AM. Bone Mineral Densitometry. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425369/all/Bone_Mineral_Densitometry. Accessed April 21, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Bone Mineral Densitometry. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425369/all/Bone_Mineral_Densitometry
Bladh ML, Van Leeuwen AM. Bone Mineral Densitometry [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 21]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425369/all/Bone_Mineral_Densitometry.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Bone Mineral Densitometry ID - 425369 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425369/all/Bone_Mineral_Densitometry PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -