Subscriber Login

Forgotten your password?

Contents

Terms 

Chapter:
Nomenclature
Author(s):

Harriet S. Meyer

The following terms are commonly used in radiology.b value The b factor or b value is associated with diffusion-weighted magnetic resonance imaging (diffusion-weighted MRI or DWI). It measures “strength (intensity and timing) of the diffusion gradient”; units are seconds per square millimeter.maximum b value of 1221 s/mm2 Four gradient strengths were applied, resulting in b values of 0 and 1000 s/mm2 applied sequentially in the X, Y, and Z gradient directions.Doppler See , Cardiology, Echocardiography.echo train A sequence of echoes. “Echo train is not a unit of measure” but is expressed as in these examples: echo train length 5 echo

AMA Manual of Style requires a subscription or purchase to access the full text of books within the service. Public users can however freely search the site and view the abstracts and keywords for each book and chapter.

Please, subscribe or login to access full text content.

If you think you should have access to this title, please contact your librarian.

To troubleshoot, please check our FAQs, and if you can't find the answer there, please contact us .