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pulsatility index

   Also found in: Acronyms 0.01 sec.
pulsatility index
[pul′sətil′itē]
a measure of the variability of blood velocity in a vessel, equal to the difference between the peak systolic and minimum diastolic velocities divided by the mean velocity during the cardiac cycle.


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12) The resistive index (RI) and pulsatility index (PI) have been used in the evaluation of ovarian masses because of the expected low impedance and high diastolic blood flow seen in blood vessels supplying the malignant tumor.
Imaging of ovarian cancer by Balachandran, Aparna; Iyer, Revathy B. / Applied Radiology
 
 
 
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