<qa>  What is the name of the type of heart failure?4. Patients with pre-existing cardiovascular disease requiring ongoing treatment. This includes: a Congestive heart failure class IIIIV CHF per new york heart association NYHA criteria. b Cardiomyopathy, c Uncontrolled cardiac arrhythmia, d Unstable angina pectoris, e Recent Myocardial infarction MI within 6 months. 