Table 1.

Estimated effective dose for dual-source computed tomography (DSCT) comparison on non-electrocardiogram (ECG)-gated and high-pitch spiral ECG-triggered examinations

DSCT	Age (y)	Effective dose (mSv)
Non-ECG-gated
Ben Saad et al. [15]	<1 y	0.5
Jin et al. [19]	<5 y	0.74
Kanie et al. [20]	<6 y	1.3
Liu et al. [21]	DSCT	0.47
High-pitch spiral ECG-triggered
Han et al. [5]	<18 y	0.24
Li et al. [31]	<4 y	0.4
Liu et al. [21]	<5 y	0.41
Malone et al. [26]	<20 y	0.98

mSv millisieverts, y years