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Occupational exposure in the electrophysiology laboratory: quantifying and minimizing radiation burden

¹ Departments of Medical Physics, ³ Cardiology and ⁴ Radiology, Faculty of Medicine, University of Crete, P.O. Box 2208, Iraklion 71003, Crete and ² Department of Natural Sciences, Technological Education Institute of Crete, P.O. Box 140, Iraklion 71004, Crete, Greece

View larger version (25K): [in a new window]   Figure 1. Distribution of effective dose in the electrophysiology laboratory to 0.5 mm lead-equivalent apron and collar protected staff from (a) posteroanterior (PA), (b) right anterior oblique 25° (RAO) and (c) left anterior oblique 45° (LAO) heart fluoroscopy. Provided values are dose–area product (DAP)-normalized and expressed in nSv cGy cm–2.

View larger version (31K): [in a new window]   Figure 2. Percent reduction of(a) effective dose and (b) gonadal dose delivered to electrophysiology laboratory staff from the complex three-projection procedure considered, accomplished with use of removable undercouch protective drapes.