title: [PR interval and segment of the electrocardiogram in coronary obstructions].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001283:Atrioventricular Node / Q000503:physiopathology; D002036:Bundle of His / Q000503:physiopathology; D002932:Cineangiography; D003327:Coronary Disease / Q000175:diagnosis*; D003331:Coronary Vessels / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: O intervalo e o segmento PR do eletrocardiograma nas obstruções coronárias.