title: Intermittent left posterior hemiblock.
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications*; D005260:Female; D005500:Follow-Up Studies; D006325:Heart Atria; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D014672:Vectorcardiography