[Syndromes related to arrhythmia].
D004562:Electrocardiography; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis; D008151:Lown-Ganong-Levine Syndrome / Q000175:diagnosis; D011226:Pre-Excitation Syndromes / Q000175:diagnosis*; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis*