Bone Mineral Densitometry

DEXA collimation - ️️Pencil beam: -no longer being manufactured, but still commonly seen - include a collimated x-ray beam and a single detector that move in sync -scanning occurs at a point Fan beam (array scanning): -scan line by line -wide angle fan beam orientated towards long axis of body -narrow angle beam parallel to long axis of the body -significantly shorter scan time, decreased image resolution and higher radiation doses Accuracy is almost equal Central DXA - ️️Consi...

Bone Mineral Densitometry Modified Exam Questions And Responses What BMD is - answersexam that measures the amount of bone mineral calcium hydroxyapatite per unit volume of bone How osteoporosis is described - answersReduced volume of bone minerals. Volume of calium hydroxypatite is 2.5 or more SD *below* the young gender match with peak bone mass (T-score) osteoperotic patients - answersHave a 2x increased fracture risk. Address demineralization process with medications such as Pre...

Bone Mineral Densitometry- 1270 Exam Questions And Improved Responses Bone densitometry - answersA general term used to describe the art and science of measuring bone mineral content and density of specific skeletal sites or the whole body. Trabecular bone - answersHigher surface area to mass ratio than cortical. contains red bone marrow Cortical bone - answersOuter shell of bones and support weight and resist bending. Counts for 80% of our bones Osteoblast - answersForming or buil...