title: The clinical value of the calibrated apical A wave and its relationship to the fourth heart sound.
mesh_terms: D000328:Adult; D001022:Aortic Valve Insufficiency / Q000175:diagnosis; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001161:Arteriosclerosis / Q000175:diagnosis; D009202:Cardiomyopathies / Q000175:diagnosis; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis; D003971:Diastole; D006326:Heart Auscultation; D006347:Heart Sounds; D006439:Hemodynamics; D006801:Humans; D007702:Kinetocardiography; D008875:Middle Aged; D013599:Systole