WEST CHESTER, Ohio--(BUSINESS WIRE)--AtriCure, Inc. (Nasdaq: ATRC), a medical device company and a leader in cardiac surgical ablation products, will release its financial results for the first quarter ended March 31, 2009 on Tuesday, May 5, 2009 and management will host a conference call at 10:00 a.m. Eastern Time. A live webcast of the conference call will be available from the investor relations page of AtriCure’s corporate web site, www.atricure.com.