Standard CT studies of the brain

Series	Scan Type	Detector Configuration	Pitch	Speed	FOV (cm)	kVp	Auto mA			Rotation Time	Section Thickness	Reconstruction Interval	Prep Group	Amount	Saline Flush	Rate
							Min	Max	NI
NCT	Helical	32 × 0.625	0.969:1	19.37	22	120	100	350	4	1	2.5	2.5	–	–	–	–
CECT	Helical	32 × 0.625	0.969:1	19.37	22	120	100	350	4	1	2.5	2.5	120	70	25	1

Note:—NCT indicates noncontrast CT; –, not applicable; Min, minimum; Max, maximum; CECT, contrast-enhanced CT.