The attacks of paroxysmal tachycardia in the W.P.W. syndrome.
D004553:Electric Conductivity; D004562:Electrocardiography; D004594:Electrophysiology; D006801:Humans; D013614:Tachycardia, Paroxysmal / Q000209:etiology*; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications*