title: [A case of paroxysmal ectopic supraventricular tachycardia].
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis* / Q000503:physiopathology
vernacular_title: Przypadek napadowego czestoskurczu nadkomorowego ektopowego.