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Table 2 Contrast injection protocols for different kV settings as chosen by CAREkV

From: The role of standard non-ECG gated chest CT in cardiac assessment: design and rationale of the Cardiac Pathologies in standard chest CT (CaPaCT) study

Parameter 120 kV 110 kV 100 kV 90 kV 80 kV 70 kV
Main bolus 100% CM, ml 44 40 36 33 30 27
Mixed bolus (50% CM/50% NaCl), ml 36 33 30 27 25 22
Saline flush, ml 20 20 20 20 20 20
Flowrate, ml/s 5.1 4.7 4.2 3.9 3.5 3.2
Iodine delivery rate, gI/s 1.5 1.4 1.3 1.2 1.1 0.9
  1. CM contrast material, kV tube voltage