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In this study we assessed the predictive accuracy of continuous wave Doppler echocardiography for
noninvasive measurement of pressure gradients in various pediatric cardiovascular diseases.
We studied 32 children, ages 50 days to 12 years, prior to cardiac catheterization or after palliative
operation and compared Doppler-estimated gradients and gradients obtained at catheterization or operation.
The ultrasound beam was aligned as much as possible to... |
