Quantitative flow measurements with Doppler ultrasound: techniques, accuracy, and limitations.

@article{Burns1985QuantitativeFM,
  title={Quantitative flow measurements with Doppler ultrasound: techniques, accuracy, and limitations.},
  author={Peter N. Burns and Carl C. Jaffe},
  journal={Radiologic clinics of North America},
  year={1985},
  volume={23 4},
  pages={641-57}
}
Using Doppler ultrasound, blood-filled structures appearing on a real-time ultrasound image may be interrogated for flow information. Quantitation of the Doppler signal may yield estimates of instantaneous and time-averaged velocity, volume flow rate, and pressure difference. In this article, the techniques of signal analysis used are discussed, together with the sources of error that confront their clinical application. 

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