title: [Systolic time intervals in persons with an abnormal 1st sound in incipient heart failure].
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis*; D006347:Heart Sounds; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D010701:Phonocardiography; D013599:Systole
vernacular_title: Systolické casové intervaly u osôb s abnormálnou I. ozvou pri pocínajúcej srdcovej nedostatocnosti.