| 摘要 |
An ultrasonic Doppler diagnosis apparatus according to the present invention comprises a scanner for scanning a two-dimensional region of a subject with an ultrasonic beam, a detector for detecting a Doppler deviation frequency of a predetermined moving object in response to a signal output from the scanner, a calculator for calculating a rate of variation between at least two Doppler deviation frequencies detected by the detector at different times, a supplier for supplying color information to the rate of variation in accordance with the levels of the Doppler deviation frequencies, and a display for two-dimensionally displaying the rate of variation to which the color information is supplied by the supplier.
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