Table 3.

Patient characteristics and findings.

Parameters	Values
Heart rate, bpm	120 (35)
Scan length, mm	92 (27)
kV	70
mAs (total)	168 (74)
Scan initiation at	70% of RR Interval
CTDIvol, mGy, median (IQR)	0.34 (0.22–0.51)
DLP, mGy*cm, median (IQR)	5.2 (3.5–7.8)
Effective dose, mSv, median (IQR)	0.20 (0.14–0.30)
Descending aorta contrast enhancement, HU	548 (138)
SNR	16.2 (10.0)
CNR	18.2 (6.7)
Image quality score (max. 15, min. 3)	13.3 (2.1)
Clinical questions answered score (max. 3)	3 (0)