Echocardiographic measurements in normal subjects. Growth-related changes that occur between infancy and early adulthood.
作者： W L Henry , J Ware , J M Gardin , S I Hepner , J McKay
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摘要: Echocardiographic measurements of the left ventricular dimensions and wall thicknesses at end diastole systole, aortic root atrial dimensions, mitral valve E-F slope, ejection fraction, percent fractional shortening internal dimension, estimated mass percentage systolic thickening septum free were obtained in 105 normal subjects ranging from one day to 23 years age. Each parameter was found follow a linear regression upon three functions body surface area. The ventricle, atrium, root, slope varied relation cube Thickness square Estimated linearly with direct measurement Ejection ventricle independent area despite marked increase size during growth development.
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