title: Supraventricular tachycardia initiated by sinus beats.
mesh_terms: D000293:Adolescent; D001146:Arrhythmia, Sinus / Q000150:complications*; D006328:Cardiac Catheterization; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D012849:Sinoatrial Node / Q000503:physiopathology*; D013614:Tachycardia, Paroxysmal / Q000209:etiology*