Route choice of beside emergency temporary cardiac pacing Abstract: Objective To explore route choice of beside emergency temporary cardiac pacing. Method The documents of beside emergency temporary cardiac pacing are collected and analyzed during Dec 12,2002 to Dec 12, 2009. Result 28 patients underwent 32 times heart pacing. Pacing site is 16 times in right supraclavicular vein, 15 times in right femoral vein, and 11 times in left subclavicular vein. Compared with the other sites, there are shorter time consuming and higher success rates for establishing heart pacing in is shorter, and success rates right supraclavicular vein. Conclusion Right supraclavicular vein is an optimal pacing site for beside emergency temporary cardiac pacing.