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Dual-energy X-ray absorptiometry

Dual-energy X-ray absorptiometry (DXA or DEXA; also BMD test, bone density test, bone densitometry, p-DEXA) is a means of measuring bone mineral density (BMD) with spectral imaging. Two X-ray beams, with different energy levels, are aimed at the patient's bones. When soft tissue absorption is subtracted, the bone mineral density (BMD) can be determined…

Measurement, Bone density measurement & Physics

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OPS-301 code
3-900

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Overview

Physics

Bone density measurement

Body composition measurement

Radiation exposure

Regulation

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Dual-energy X-ray absorptiometry

Nodes71
Edges70
Triples8
Avg. degree1.97
Density0.028169
Components1

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Dual-energy X-ray absorptiometry

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OPS-301 code · 1
Dual-energy X-ray absorptiometry → 3-900
is a · 1
Dual-energy X-ray absorptiometry → most widely used bone density measurement technology.The DXA scan is typically used to diagnose and follow osteopenia and osteoporosis

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Important terminology

bone dxa density displaystyle used x-ray tissue bmd soft mineral body mass also attenuation two energy clinical composition frac area

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Dual-energy X-ray absorptiometryOPS-301 code3-9001.00infobox
Dual-energy X-ray absorptiometryis amost widely used bone density measurement technology.The DXA scan is typically used to diagnose and follow osteopenia and osteoporosis0.90text
quantitative computed tomographyinstance ofor those with smaller bones.Three-dimensional imaging modalities0.80text
nutritional ricketsinstance ofbut Z-scores can be used to assist diagnosis.Some clinics may routinely carry out DXA scans on pediatric patients with conditions0.80text
lupusinstance ofbut Z-scores can be used to assist diagnosis.Some clinics may routinely carry out DXA scans on pediatric patients with conditions0.80text
and Turner syndromeinstance ofbut Z-scores can be used to assist diagnosis.Some clinics may routinely carry out DXA scans on pediatric patients with conditions0.80text
GLP-1 receptor agonists to assess the effects on body compositioninstance ofDXA scans are also used in clincal trials of weight loss drugs0.80text
musculoskeletal healthinstance ofDXA scans are also used in clincal trials of weight loss drugs0.80text

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