title: Left ventricular performance in hypertension: a study of systolic time intervals.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D013599:Systole