The two main QRS vectors in the frontal plane in electrocardiograms of complete left bundle branch block.
D002037:Bundle-Branch Block; D002318:Cardiovascular Diseases; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005822:Genetic Vectors; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans
ELECTROCARDIOGRAPHY; HEART BLOCK/differential diagnosis