[Estimation of right ventricular systolic pressure from the velocity of tricuspid regurgitant flow by Doppler ultrasound method--the accuracy of the modified Bernoulli equation].
D000328:Adult; D000368:Aged; D001783:Blood Flow Velocity; D001794:Blood Pressure; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012212:Rheology; D014261:Tricuspid Valve / Q000503:physiopathology*