title: [Ventricular extrasystoles presenting a pattern of left bundle branch block. Vectorcardiographic analysis of the initial phase of ventricular depolarization].
mesh_terms: D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis*; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography
vernacular_title: Extrassístoles ventriculares com morfologia de bloqueio divisional esquerdo. Análise vetocardiográfica da fase inicial da despolarização ventricular