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Purpose : To evaluate the effects of respiration on diastolic filling pattern in normal children by Doppler echocardiography.
Materials and Methods : Doppler echocardiograms of the tricuspid and mitral valves were recorded with electrocardiogram and respirations in 46 normal children aged 3months to 14years(7.6¡¾3.5year). We measured the following variables: heart rate, the peak E and A velocities, the area under the... |