title: Some parameters associated with the normal atrial electrocardiogram.
mesh_terms: D000293:Adolescent; D000328:Adult; D016275:Atrial Function; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D013997:Time Factors; D014672:Vectorcardiography