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Proceedings Paper

Low-frame-rate pulsed fluoroscopy vs low-exposure-rate continuous fluoroscopy: a comparison
Author(s): Steven L. Fritz; Steven R. Roys; Zoran Doric; James H. Duncan
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Paper Abstract

Although improved video camera sensitivity has been responsible for reducing the radiation exposure rate in conventional fluoroscopy substantially over the last two decades, considerable further improvement is possible. Over the same period two methods for reducing fluoroscopic exposure have been implemented by various researchers: pulsed X-ray irradiation and progressive video acquisition of the image intensifier output at low frame rate with exposure per frame comparable to conventional fluoroscopy; and continuous irradiation with a combination of low exposure rate, high detector gain and X-ray beam filtration. Neither has come into widespread clinical use. This paper proposes a model of fluoroscopic patient exposure and compares pulsed fluoroscopy with other methods of exposure reduction. The implications of this model for fluoroscopic exposure rate optimization are discussed.

Paper Details

Date Published: 14 September 1993
PDF: 5 pages
Proc. SPIE 1896, Medical Imaging 1993: Physics of Medical Imaging, (14 September 1993); doi: 10.1117/12.154587
Show Author Affiliations
Steven L. Fritz, Univ. of Maryland School of Medicine (United States)
Steven R. Roys, Univ. of Maryland School of Medicine (United States)
Zoran Doric, Univ. of Maryland (United States)
James H. Duncan, Univ. of Maryland (United States)

Published in SPIE Proceedings Vol. 1896:
Medical Imaging 1993: Physics of Medical Imaging
Rodney Shaw, Editor(s)

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