Array ( [urn:ac.highwire.org:guest:identity] => Array ( [runtime-id] => urn:ac.highwire.org:guest:identity [type] => guest [service-id] => ajnr-ac.highwire.org [access-type] => Controlled [privilege] => Array ( [urn:ac.highwire.org:guest:privilege] => Array ( [runtime-id] => urn:ac.highwire.org:guest:privilege [type] => privilege-set [privilege-set] => GUEST ) ) [credentials] => Array ( [method] => guest ) ) ) 1naresh

Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1nareshArray
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)

Stroke CT protocol
Series^a 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 – – – –
PCT1 Cine 8 × 5 – – 22 80 100 – 1 5 5 7 40 25 5
PCT2 Cine 8 × 5 – – 22 80 100 – 1 5 5 7 40 25 5
CTA Helical 64 × 0.625 0.984:1 98.42 25 120 200 400 12 0.4 1.25 1 From PCT 70 25 5
CECT Helical 32 × 0.625 0.969:1 19.37 22 120 100 350 4 1 2.5 2.5 120 – – –
Note:—NCT indicates noncontrast CT; Min, minimum; Max, maximum; PCT, perfusion CT; –, not applicable; CTA, CT angiography; CECT, contrast-enhanced CT.
a PCT1 is above the orbits; PCT2, immediately adjacent to PCT1; CTA prep group = PCT1 timing of the arterial peak + 6 seconds.

Series^a	Scan Type	Detector Configuration	Pitch	Speed	FOV (cm)	kVp	Auto mA			Rotation Time	Section Thickness	Reconstruction Interval	Prep Group	Amount	Saline Flush	Rate
Series^a	Scan Type	Detector Configuration	Pitch	Speed	FOV (cm)	kVp	Min	Max	NI	Rotation Time	Section Thickness	Reconstruction Interval	Prep Group	Amount	Saline Flush	Rate
NCT	Helical	32 × 0.625	0.969:1	19.37	22	120	100	350	4	1	2.5	2.5	–	–	–	–
PCT1	Cine	8 × 5	–	–	22	80	100		–	1	5	5	7	40	25	5
PCT2	Cine	8 × 5	–	–	22	80	100		–	1	5	5	7	40	25	5
CTA	Helical	64 × 0.625	0.984:1	98.42	25	120	200	400	12	0.4	1.25	1	From PCT	70	25	5
CECT	Helical	32 × 0.625	0.969:1	19.37	22	120	100	350	4	1	2.5	2.5	120	–	–	–