St. Jude Medical (St. Paul, Minnesota) finally received its invitation from the FDA in late June to the cardiac resynchronization therapy defibrillator (CRT-D) party. While the late arrival joined the festivities nearly two years after competitors Guidant (Indianapolis, Indiana) and Medtronic (Minneapolis, Minnesota), it said it doesn't plan to enter the scene quietly and already has begun an aggressive rollout of the product in the U.S.