title: Repetitive paroxysmal tachycardia originating in the left atrium.
mesh_terms: D000293:Adolescent; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology*; D006801:Humans; D008297:Male; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology*