In the article by Dong et al titled, “Integrated Electroanatomic Mapping With Three-Dimensional Computed Tomographic Images for Real-Time Guided Ablations,” which was published in the January 17, 2006, issue of the journal (Circulation. 2006;113:186--194), the name of one of the authors was incompletely stated. “Al Lardo, PhD” should have read “Albert C. Lardo, PhD.” The authors regret this error.