By Sydney Lou Bonnick MD, FACP, Lori Ann Lewis MRT, CDT (auth.)
With the speedy proliferation of hugely delicate bone densitometry units considering that 1995, the extent of ability required to function them and interpret their effects has risen sharply and now frequently exceeds the formal education of many operators. In Bone Densitometry for Technologists, best densitometry specialists Sydney Lou Bonnick, MD, FACP, and Lori Ann Lewis, MRT, CDT, got down to right this deficiency via reviewing in basic language the necessities of densitometry and its day by day perform. Written in particular for radiologic technologists, nurse practitioners, health care professional assistants, and committed densitometry technologists, this publication offers all the functional wisdom had to expertly function any of latest subtle densitometry machines. issues diversity from technical descriptions of all FDA-approved densitometry units to a medical overview of osteoporosis, and contain entire tutorials on computing device fundamentals, anatomy for densitometrists, the artwork of reading try effects, and acting winning precision studies-all crafted to fulfill the day-by-day wishes of the practising densitometrist. extra chapters whole the technologist's skill-set with discussions of mechanical upkeep, radiation security, and the terminology and conventions utilized in the occupation.
entire, informative, and hugely sensible, Bone Densitometry for Technologists emphasizes the position of densitometry and technologists within the analysis and administration of osteoporosis. It offers a valid foundation for a whole figuring out of the usually esoteric technical manuals provided via brands, and is going a long way past that knowing to allow professional operation of any authorized densitometry gadget.
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Extra resources for Bone Densitometry for Technologists
In addition, the greater source intensity or "photon flux" produced by the X-ray tube and the smaller focal spot allows for better beam collimation, resulting in less dose overlap between scan lines and greater image resolution. Scan times are faster and precision is improved. Because X-ray tubes produce a beam that spans a wide range of photon energies, the beam must be narrowed in some fashion in order to produce the two distinct photoelectric peaks necessary to separate bone from soft tissue.
Laskey, M. , Crisp, A. , Cole, T. , Compston, J. E. (1992) Comparison of the effect of different reference data on Lunar DPX and Hologic QDR-1000 dual-energy X-ray absorptiometers. Br. 1. Radial. 65,1124-1129. Faulkner, K. , Roberts, L. , McClung, M. R. (1996) Discrepancies in normative data between Lunar and Hologic DXA systems. Osteoporos. Int. 6, 432-436. Looker, A. , Wahner, H. , Dunn, W. , Calvo, M. , Harris, T. , Heyse, S. , Johnston, C. , Lindsay, R. L. (1995) Proximal femur bone mineral levels of US adults.
McClung, M. R. (1996) Discrepancies in normative data between Lunar and Hologic DXA systems. Osteoporos. Int. 6, 432-436. Looker, A. , Wahner, H. , Dunn, W. , Calvo, M. , Harris, T. , Heyse, S. , Johnston, C. , Lindsay, R. L. (1995) Proximal femur bone mineral levels of US adults. Osteoporos. Int. 5, 389-409. 2 Densitometry Techniques CONTENTS PLAIN RADIOGRAPHY IN ASSESSMENT OF BONE DENSITY QUALITATIVE MORPHOMETRY QUALITATIVE SPINAL MORPHOMETRY THE SINGH INDEX QUANTITATIVE MORPHOMETRIC TECHNIQUES CALCAR FEMORALE THICKNESS RADIOGRAMMETRY THE RADIOLOGIC OSTEOPOROSIS SCORE RADIOGRAPHIC PHOTODENSITOMETRY RADIOGRAPHIC ABSORPTIOMETRY PHOTON ABSORPTIOMETRY TECHNIQUES SINGLE PHOTON ABSORPTIOMETRY DUAL PHOTON ABSORPTIOMETRY DUAL-ENERGY X-RAY ABSORPTIOMETRY PERIPHERAL DXA SINGLE-ENERGY X-RAY ABSORPTIOMETRY QUANTITATIVE COMPUTED TOMOGRAPHY PERIPHERAL QCT QUANTITATIVE ULTRASOUND BONE DENSITOMETRY REFERENCES The field of bone densitometry has grown rapidly in the last 15 years.