title: Quantitative analysis of myocardial force and contractile state in IN VIVO rate and rhythm disturbances.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001696:Biomechanical Phenomena; D004285:Dogs; D004594:Electrophysiology; D009200:Myocardial Contraction