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It is the same for blind TCD - no angle correction using a 0 degree angle. 
 This is because you are not able to see the true vessel wall and are 
relying on the color Doppler to let you know where the vessel is.    Most 
labs will  use a time average maximum velocity because most published 
criteria are this. 

Heather Nicoletto, BS, RVT
Vascular Program Coordinator
Neurovascular Laboratory
Duke University Hospital
2301 Erwin Rd
Room 4254, Box 2921
Durham, NC 27710
919-684-6657
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Robin Garza <[log in to unmask]> 
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01/17/2008 03:35 PM
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TCDI






Hi All,

For those of you who perform TCDI.  Using color Doppler as a guide are you 
angle correcting or just using 0 degree angle.  Also do you measure peak 
systolic velocity or time averaged maximum velocity.

Thanks,
Robin Garza, RDMS, RVT

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