title: A randomized controlled trial to evaluate the safety and efficacy of cardiac contractility modulation in patients with systolic heart failure: rationale, design, and baseline patient characteristics.
mesh_terms: D004554:Electric Countershock / Q000295:instrumentation* / Q000379:methods*; D004562:Electrocardiography; D004867:Equipment Design; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D009200:Myocardial Contraction; D018579:Patient Selection; D012107:Research Design