Are ejection fractions based on regression equations for systolic time ratios reliable?
Bowling
L S
LS
Department of Internal Medicine, Naval Hospital, San Diego, CA 92134-5000.
Amundson
D E
DE
D015982:Bias; D002307:Cardiography, Impedance / Q000592:standards; D016001:Confidence Intervals; D004562:Electrocardiography / Q000592:standards; D005069:Evaluation Studies as Topic; D006801:Humans; D015635:Radionuclide Ventriculography / Q000592:standards; D012044:Regression Analysis; D015203:Reproducibility of Results; D013318:Stroke Volume; D013599:Systole; D013997:Time Factors