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In order to predict the blood flow velocityat the orifice of the pulmonary artery, M-Modecontrast echocardiography (MCE) studies wereconducted and the percentage change of the flowvelocity (△PV％) was measured in 71 cases ofcongenital heart disease. In comparison with thepulmonary pressure values obtained by cardiaccatheterization, it was found that the △PV％values were positive for patients with normal
In order to predict the blood flow velocityat the orifice of the pulmonary artery, M-Modecontrast echocardiography (MCE) studies wereconducted and the percentage change of flowvelocity (Δ PV%) was measured in 71 cases ofcongenital heart disease. In comparison withpulmonary pressure values obtained by cardiaccatheterization, it was found that the △ PV% values were positive for patients with normal