Quality Control Principles for DEXA

Explains QC principles specific to DXA including phantom?based precision testing, calibration checks, and software version control to ensure longitudinal comparability.

Routine QC Tests and Frequency

Detailed descriptions of daily, weekly and annual QC tasks: phantom scans for BMD stability, precision studies for technologist variability, and verification of VFA image quality.

QC Documentation and Response

How to log QC results, set action thresholds, escalate out?of?tolerance findings to a medical physicist or vendor service, and document corrective actions for accreditation records.