Quantitative evaluation of pulmonary regurgitation after repair of tetralogy of Fallot using real-time flow imaging system.

@article{Kobayashi1989QuantitativeEO,
  title={Quantitative evaluation of pulmonary regurgitation after repair of tetralogy of Fallot using real-time flow imaging system.},
  author={Junjiro Kobayashi and Shin Nakano and Hikaru Matsuda and Jun Arisawa and Yasunaru Kawashima},
  journal={Japanese circulation journal},
  year={1989},
  volume={53 7},
  pages={721-7}
}
Real-time flow imaging of pulmonary regurgitation (PR) by two-dimensional pulsed Doppler echocardiography was performed in 34 patients after repair of tetralogy of Fallot. The right ventricle and pulmonary artery were demonstrated in the parasternal short axis view and PR flow was visualized. The image was frozen when the velocity of regurgitant flow was maximum at the level of the pulmonary valve. Pulmonary regurgitant area index (PRAI) was calculated from planimetric measurement of the area… CONTINUE READING