title: The sucrose gap preparation as a model of AV nodal transmission: are dual pathways necessary for reciprocation and AV nodal "echoes"?
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001283:Atrioventricular Node / Q000503:physiopathology*; D002036:Bundle of His / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008955:Models, Cardiovascular; D011690:Purkinje Fibers / Q000503:physiopathology; D013610:Tachycardia / Q000503:physiopathology