Characterization of Cardiac Hemodynamics During MultiSite Pacing

Exclusion Criteria

• •Exhibit Cheyne-Stokes respiration
• •Have persistent or permanent atrial fibrillation
• •Have complete heart block
• •Be in NYHA IV functional class
• •Have a recent myocardial infarction within 40 days prior to enrollment
• •Have undergone cardiac surgery or coronary revascularization procedure within 3 months prior to enrollment or be scheduled for such procedures in the following 7 months
• •Have had a recent CVA or TIA within 3 months prior to enrollment
• •Have had intravenous inotropic support in the last 30 days
• •Be less than 18 years of age
• •Be pregnant