Ultrasonic tissue characterization: detection of acute myocardial ischemia in dogs.

  title={Ultrasonic tissue characterization: detection of acute myocardial ischemia in dogs.},
  author={Ingela Schnittger and August Vieli and Joseph E. Heiserman and Bruce Director and Margaret E. Billingham and Stephen G. Ellis and Robert S. Kernoff and Toshihiko Takamoto and Richard Popp},
  volume={72 1},
Ultrasonic tissue characterization is a new area of investigation in the field of cardiac ultrasound. The amplitude and frequency of the ultrasound signal are normally altered as the signal penetrates through tissue. It is assumed that the amplitude distribution and frequency shift of diseased or edematous tissue are different than those of normal tissue. A statistical approach to the analysis of the unprocessed radiofrequency signal in the amplitude domain was used to study the effect of acute… CONTINUE READING
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