WPW SYNDROME WITH MULTIPLE EXTRASYSTOLES.
D005117:Cardiac Complexes, Premature; D004562:Electrocardiography; D006801:Humans; D010701:Phonocardiography; D014927:Wolff-Parkinson-White Syndrome
ELECTROCARDIOGRAPHY; EXTRASYSTOLE; PHONOCARDIOGRAPHY; WOLFF-PARKINSON-WHITE SYNDROME