title: Assessment of adequate circulatory assist during intra-aortic balloon counterpulsation.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D004562:Electrocardiography; D006439:Hemodynamics; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000009:adverse effects / Q000379:methods; D013997:Time Factors