arterial resistivity index

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arterial resistivity index2016-11-15T15:46:33+00:00

arterial resistivity index

PHYSIOLOGY

Definition A measure of pulsing blood flow that reflects the intrinsic resistance to blood flow by the microvascular bed distal to the site of measurement.

Used to Assess the umbilical artery in placental insufficiency

Synonyms Pourcelot Index, resistance index 

Reference http://en.wikipedia.org/wiki/Arterial_resistivity_index 

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