Joe Vitt, interim head coach of the St. Louis Rams while Mike Martz recovers from a heart ailment, underwent a heart procedure of his own Monday. The 51-year-old Vitt had an angioplasty around 6 a.m., but was expected to speak at his regular Monday afternoon news conference, Rams spokesman Duane Lewis said. ``He's doing fine,'' Lewis said. ``I think it was just a routine procedure. It had been prescheduled. It was not the result of any issues the last two weeks or three weeks.'' Vitt told players about the procedure after Sunday's 24-21 win over the Jacksonville Jaguars, but did not mention his plans to the media. In an angioplasty, a balloon is inserted through a tube and inflated to open blood vessels in the heart that have narrowed or become blocked. Lewis said he did not know specific details about why Vitt had the procedure.