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Original Article
Noninvasive Estimation of Pulmonary Artery Pressure with Doppler Echocardiogrphy.
Ji Yean Lee, Soon Hak Kwon, Sang Bum Lee, Doo Hong Ahn
Clin Exp Pediatr. 1989;32(1):20-26.   Published online January 31, 1989
This study determined the accuracy of Doppler echocardiography for predicting the pulmonary artery pressure from right ventricular systolic time intervals in 25 pediatric patients with various congenital cardiovascular diseases undergoing cardiac catheterization. Either estimated pulmonary artery systolic pressure (PASP) using Burstin nomogram and pulmo- nary artery diastolic pressure (PADP) using Riggs equation (PADP= 151· RPEP / RVET ·20.7) correlated well with the pressures at...


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