title: The first heart sound in complete heart block. Phono-echocardiographic correlations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D004562:Electrocardiography; D006326:Heart Auscultation; D006327:Heart Block / Q000151:congenital / Q000175:diagnosis* / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology; D010138:Pacemaker, Artificial; D010701:Phonocardiography; D014261:Tricuspid Valve / Q000503:physiopathology