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Computed Tomography Contrast Administration Techniques - Coggle Diagram
Computed Tomography Contrast Administration Techniques
Personalised
to Patient Characteristics
Body Weight (kg)
Body Mass Index (kg/m^2)
Ultra-Low
Image Reconstruction
Deep-Based Learning
Iterative (with varying strengths)
Parameters
High-Pitch
Low-kV
"Dual/Double-Low"
"Triple-Low"
Scanner Technology
Spectral (Dual-Energy) CT
Photon-Counting Detector CT
Ultra-High
(for high body weight or body mass index patients - obese
Image Quality
Objective
Intravascular Attenuation
Main Pulmonary Artery, HU>200-250 for diagnostic confidence
All other Enhanced Vessels
Image Noise
Signal-to-Noise Ratio (SNR)
Contrast-to-Noise Ratio (CNR)
Arteriovenous Seperation
Subjective
(two or more experienced radiologists, using Likert-style scales)
Vessel Opacification (Visual)
Artefacts
Respiratory Motion
Cardiac Motion
Steak/ Beam-Hardening
Overall Diagnostic Confidence
Contrast Dose
(mg of Iodine)
Volume (mL)
Concentration (mg I/mL)