Table 5 Figures of Merit.

From: Improved enhancement in CT angiography with reduced contrast media iodine concentrations at constant iodine dose

Tissue of interest

Figures of Merit

Aorta

Maximal CT enhancement (CTmax)

Temporal window in which the CT value remained above 200 HU (∆t>200)

Time to peak (TTP)

Vena cava

Maximal CT enhancement (CTmax)

Temporal window in which the CT value remained above 150 HU (∆t>150)

Time to peak (TTP)

Liver parenchyma

Maximal CT enhancement (CTmax)

Time to peak (TTP)

 
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