Table of contentsFactors affecting patient dose
IR(ME)R 2000
Overview
Effect of scan parameters on dose
Effect of scan parameters on CTDIvol
Effect of scan parameters on CTDIvol (2)
Effect of scan parameters on CTDIvol
Effect of scan parameters on CTDIvol (3)
Effect of scan parameters on CTDIvol (4)
Effect of scan parameters on CTDIvol (5)
Effect of scan parameters on CTDIvol (6)
Effect of scan parameters on CTDIvol (7)
Spiral scanning considerations
Spiral v Axial dose
Spiral v Axial dose: Overscan
Effect of pitch on CTDIvol
Effective mAs
Effect of varying pitch and mA
Multi-slice considerations
Dosimetry in multi-slice CT
Extra x-ray beam width in z-axis
Extra x-ray beam width in z-axis (2)
Extra x-ray beam width in z-axis:
Multi-slice: Effect of over-beaming on CTDI
Multi-slice: Effect of over-beaming on CTDI (2)
Z-axis geometric efficiency
Multi-slice dose issues : helical scanning
Multi-slice: scan protocols
Effect of patient size
Effect of patient size (2)
Displayed CTDIvol in paediatric CT
Adjusting mAs for patient size
Adjusting mAs for patient size (2)
Adjusting mAs for patient size (3)
An Inspector Calls
Diagnostic Reference Levels
Diagnostic Reference Levels in CT
Dose info on scanner console
How to calculate reference doses
National reference doses - 2003 review
National reference doses - 2003 review (2)
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Author: Maria Lewis
E-mail: maria@impactscan.org
Homepage: http://www.impactscan.org/
ImPACT course presentation index: http://www.impactscan.org/impactcourseslides.htm
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