; and (2) in subparagraph (B)— (A) in clause (v), by striking at the end or ; (B) in clause (vi), by striking at the end the period; and (C) by adding at the end the following new clauses: (vii) stable, chronic heart failure (defined as patients with left ventricular ejection fraction of 35 percent or less and New York Heart Association (NYHA) class II to IV symptoms despite being on optimal heart failure therapy for at least 6 weeks); or (viii) any additional condition for which the Secretary has determined that a cardiac rehabilitation program shall be covered. .