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Technical Brief

High-Speed Visualization of Steam Pops During Radiofrequency Ablation1

[+] Author and Article Information
Stephen G. Quallich, Ryan P. Goff, Paul A. Iaizzo

Departments of Biomedical
Engineering and Surgery,
University of Minnesota,
B172 Mayo, MMC 195,
420 Delaware Street S.E.,
Minneapolis, MN 55455

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received February 28, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020902 (Apr 28, 2014) (2 pages) Paper No: MED-14-1031; doi: 10.1115/1.4027002 History: Received February 21, 2014; Revised February 28, 2014

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Figures

Grahic Jump Location
Fig. 3

Frames every 17 ms of a generated steam pop from videoscope within the right atrium (top left), ablation console (top right), and fluoroscopy (bottom left). The movement artifact of the catheter is visible on fluoroscopy in this particular steam pop.

Grahic Jump Location
Fig. 2

Photograph of poststudy endocardial damage from steam pop (left) and cross-sectional view of myocardial damage (right)

Grahic Jump Location
Fig. 1

Frames every 1.5 ms of generated steam pop recorded with a high-speed camera as seen from within the right atrium. The explosive force produced during this event can be observed.

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