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Tables
Estimated dose for patients without intervention
Modality Mean No. of Procedures/Case mGy/Case Total Dose Angiography 1.2 310 372.0 Head CT 2.9 46.4 134.6 Portable CT 4.0 120 480.0 CTA 1.5 46.4 69.6 CT perfusion 0.6 288.7 173.2 Chest x-ray 12.0 Negligible Negligible Cumulative dose (mGy) 1229.4 Cumulative dose (Gy) 1.2