Computerized Tomography

QAS Medical and Health Physics Services will perform evaluations of your Computerized Tomography Equipment including:

• Visual Inspections of the system and the environment
• Exposure output reproducibility
• Exposure output linearity
• CTDI measurements and calculations
• CT slice thickness
• CT slice localization
• High contrast resolution
• Low contrast resolution
• Hounsfield number linearity
• Hounsfield number calibration accuracy
• Hounsfield number variation with kVp
• Hounsfield number variation with slice thickness
• Hounsfield number variation from slice-to-slice
• CT noise level and uniformity evaluation
• Caliper accuracy
• Laser-light alignment
• Table indexing accuracy
• Printer evaluation
• Monitor evaluation
• Survey for ACR accreditation
• ACR forms
• ACR phantoms
• Film badge review
• QC program evaluation

CT System with Phantom