Radiation Dose to Patients and Personnel during Intraoperative Digital Subtraction Angiography
Colin P. Derdeyn
,a,
Christopher J. Morana,
John O. Eichlinga and
DeWitte T. Cross IIIa
a From the Mallinckrodt Institute of Radiology, Section of Neuroradiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110.

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FIG 1. Schematic of operating room layout. The radiologist typically stands at point A and the anesthesiologist sits at point C. The radiology technologist operates the C-arm at point B. The monitor is positioned to allow both the radiologist and the technologist good visibility of the screen
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