title: Electrophysiologic properties of isolated preparations of human atrial myocardium.
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D001024:Aortic Valve Stenosis / Q000151:congenital; D016275:Atrial Function; D006348:Cardiac Surgical Procedures; D002648:Child; D002675:Child, Preschool; D006345:Heart Septal Defects, Ventricular; D006801:Humans; D066298:In Vitro Techniques; D007223:Infant; D007231:Infant, Newborn; D008564:Membrane Potentials; D008839:Microelectrodes; D009206:Myocardium; D009994:Osmolar Concentration; D011188:Potassium / Q000502:physiology
chemical_list: D011188:Potassium