title: Determination of systolic intervals utilizing the carotid first derivative.
mesh_terms: D000368:Aged; D002302:Cardiac Output; D002339:Carotid Arteries; D003327:Coronary Disease / Q000503:physiopathology; D004417:Dyspnea / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology* / Q000503:physiopathology; D006331:Heart Diseases / Q000503:physiopathology; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010701:Phonocardiography; D011674:Pulse; D013997:Time Factors