title: Marked intra-atrial conduction delay with split atrial electrograms: substrate for reentrant supraventricular tachycardia.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology; D002036:Bundle of His / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000503:physiopathology*