title: Further characterization of myocardial K+ loss induced by changing contraction frequency.
mesh_terms: D000818:Animals; D001693:Biological Transport, Active; D001769:Blood; D003331:Coronary Vessels; D004285:Dogs; D005260:Female; D006339:Heart Rate; D006352:Heart Ventricles; D066298:In Vitro Techniques; D009119:Muscle Contraction; D009206:Myocardium / Q000378:metabolism*; D010101:Oxygen Consumption; D010477:Perfusion; D011188:Potassium / Q000097:blood / Q000378:metabolism*
chemical_list: D011188:Potassium