Estimation of the correlation between the transcutaneous aortic flow velocity curve and impedance cardiogram in normal children.
83 measurements of stroke volume from an impedance cardiogram and of the corresponding area under the systolic complex of the aortic flow velocity curve obtained by means of the transcutaneous ultrasound Doppler device were carried out in 15 normal children. Between the "ideal" complexes and those requiring a little reconstruction (below 10% of maximal height of the given complex) and corresponding stroke volumes, significant correlation and regression coefficients were found. It has been suggested that the aortic flow velocity curve obtained by means of the transcutaneous ultrasound nondirectional Doppler device would be helpful in approximately estimating the stroke volume in normal children.
D000293:Adolescent; D001011:Aorta / Q000502:physiology*; D001783:Blood Flow Velocity; D002302:Cardiac Output; D002307:Cardiography, Impedance; D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D013318:Stroke Volume; D013599:Systole; D014463:Ultrasonography