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Table 3 Scanning protocol for CT perfusion (CTP) and CT angiography (CTA)

From: The effects of continuous prostacyclin infusion on regional blood flow and cerebral vasospasm following subarachnoid haemorrhage: study protocol for a randomised controlled trial

 

CTP

CTA

Amount of contrast

40 ml

70 ml

Injection rate

4 ml/s

4 ml/s

Acquisition parameters

80 kVp and 110 mAs

120 kVp/190 mA

Section thickness

5 mm

0.67 mm