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British Journal of Radiology (2004) 77, 597-599
© 2004 British Institute of Radiology
doi: 10.1259/bjr/54198101
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Application of low dose rate pulsed fluoroscopy in cardiac pacing and electrophysiology: patient dose and image quality implications

C J Kotre, PhD1, S Charlton, DCR(R)2, K J Robson, PhD1, I P Birch, MSc1, S P Willis, DCR(R)1 and M Thornley, MSc1

1 Regional Medical Physics Department, Newcastle General Hospital, Newcastle-upon-Tyne, NE4 6BE and 2 Cardiology X-ray Department, Freeman Hospital, Newcastle-upon-Tyne NE7 7DN, UK



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  		Figure 1. Threshold contrast-detail diameter curve measured for the re-programmed low dose rate pulsed fluoroscopy mode (solid line) compared with the expected performance for standard fluoroscopy systems [3] (long dashes) and an earlier standard [4] (short dashes). The performance for the low dose rate option is almost identical to this old standard, but at less than 10% of the dose rate on which that standard was based.

 




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