You can also find DVT's in the gastrocnemius veins which may be in close proximity to the saph-pop junction. 

In our lab, we always scan below the knee including the small saph. 

Dani Jeffer, BS, RVT 
------Original Message------
From: Patricia Rudibaugh
Sender: UVM Flownet
To: [log in to unmask]
ReplyTo: UVM Flownet
Subject: Entire leg vs to knee venous
Sent: Oct 27, 2012 10:41 AM

The new supervisor of our Vascular Lab asked me why we scan the 
entire leg in a Venous Duplex scan when evaluating for DVT when other 
facilities in the area scan only to the knee and stop.  The lab follows 
ICAVL, SCU and our Medical Directors guidelines/protocols, however, 
she is looking at the possible time saved and training spent.  Any 
explainations out there? I have never heard of scanning only to the 
knee, but I am new to Vascular since 2009. Is there something I am 
missing???  Thanks in advance for your explainations...

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