title: [Artificial electric pacemaker: electrocardiographic aspects and indications for its implantation].
mesh_terms: D000219:Adams-Stokes Syndrome / Q000628:therapy; D000293:Adolescent; D000368:Aged; D004562:Electrocardiography; D004566:Electrodes; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial
vernacular_title: Marca-passo elétrico artificial: aspectos eletrocardiográficos e indicações para sua instalação.