AtriCure, Inc. provided preliminary earnings guidance for the fourth quarter and full year of 2012. Preliminary revenue for the fourth quarter of 2012 is expected to be approximately $18.4 million, reflecting growth of approximately 9.5% over the fourth quarter of 2011. Based on these preliminary estimates, revenue from U.S. customers is expected to be $13.7 million, reflecting growth of 10.2%, and revenue from international customers is expected to be $4.7 million, reflecting growth of 7.7%, or 10.0% on a constant currency basis.

The company also announced that, preliminary revenue for full year 2012 is expected to be $70.2 million, reflecting year over year growth of 9.1% over full year 2011.