pulsed wave doppler造句

By using pulsed wave doppler or continuous wave doppler bloodflow velocities can be calculated.
The E / A ratio is measured by placing a pulse wave doppler across the mitral valve, and measuring the velocities across the valve.
Pulse wave doppler allows measurement of velocities at a specific point, but has the disadvantage of aliasing, so often has to be adjusted ( baseline shifted etc . ) to best fit the individual point of measurement.
Pseudonormalisation shows a transmitral profile that appears normal, however with the use of pulmonary vein pulse wave doppler, it can be shown that the relaxation pattern is abnormal ( systolic blunting, a decrease in the height of the S wave ).
It's difficult to find pulsed wave doppler in a sentence. 用pulsed wave doppler造句挺难的