title: [A study on atrial potential--characteristics and its relation to ECG].
mesh_terms: D016275:Atrial Function; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006801:Humans; D012804:Sick Sinus Syndrome / Q000503:physiopathology*