title: [Cases of pediatric electrocardiography. Ventricular bigeminy].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002675:Child, Preschool; D004562:Electrocardiography; D006801:Humans; D008297:Male
vernacular_title: Casos de electrocardiografía pediátrica. Bigeminismo/ventricular.