ST. PAUL, Minn.--(BUSINESS WIRE)--Cardiovascular Systems, Inc. (CSI) (Nasdaq: CSII) will host a live webcast of its fiscal 2013 first-quarter conference call on Tuesday, Oct. 30, 2012, at 3:45 p.m. CT (4:45 p.m. ET). David L. Martin, president and chief executive officer, and Laurence L. Betterley, chief financial officer, will discuss the company’s results for its fiscal first quarter ended Sept. 30, 2012, and its financial outlook. The company will issue a post-market earnings release on Oct. 30.