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Yes Don, Now I have confirmation of the technologist having the sense to
contact the ordering physician or the vascular reader. Here is some good
advice from the best venous doctor I ever had the pleasure to work with,
David E Smith, MD

"I know of no venous protocol that requires ankle pressures or ABI. Clearly
a lower extremity arterial duplex requires it but pressures can be avoided
even in that study if a large open calf wound is present or if a recent
graft goes to the ankle or foot. If the technologist documents the reason
for not doing it I think almost any reason will fly.
Hope this helps."
David E Smith, MD FACS RVT RVPI

On Fri, May 7, 2010 at 8:59 PM, Don Ridgway <[log in to unmask]> wrote:

>
> If you really, really needed a basic answer as to presence or absence of
> significant arterial disease, right now and not later, I'll bet a toe
> pressure would be pretty unlikely to launch an embolus.
>
> Don Ridgway
>
>
>
>
> ________________________________
>
> From: UVM Flownet on behalf of Denise Levy
> Sent: Fri 5/7/2010 9:21 AM
> To: [log in to unmask]
> Subject: Re: TO ABI OR NOT TO ABI...
>
>
> Hi, Both patients had an embolus from a dvt lower in the leg, free floating
> ball, rotating around the CFV valve and it let go without any compression or
> distal augmentation. I just happened to be there at the right time and
> observer not the cause. Good to mention.
> I don't think any ABI should be done on a new patient with acute DVT.. and
> I don't know what the urgency is? We have to include others to make the
> decision of ABI or not at the time of examination.
> But the ICAVL requires ABI with an arterial duplex. If they have an acute
> DVT call the vascular panel reader or the ordering physician. Nurses call
> ordering physicians for questions for treatment if the condition of the
> patient changes.. We are part of the medical plan of the patients care..
> Every case deserves consideration.
> Denise Levy
>
>
> On Fri, May 7, 2010 at 8:38 AM, Doug <[log in to unmask]> wrote:
>
>
>        Denise
>        Do you know from what level the DVT traveled?  In other words were
> you looking at a free-floating thrombus that suddenly left the station, or
> were you insonating a different level and saw it cruise by?  Just curious.
>  Also, I understand evaluating the PTA flow, but does that have anything to
> do with taking an ABI or not in the presence of DVT (not being sarcastic,
> humbly curious and trying to wrap my head Round it).  Thanks!
>        D
>
>
>        Doug Marcum
>        RDMS,RDCS,RVT(APS),RPhS
>        *Advanced Ultrasound Consultants
>        *Global Vein Solutions
>        www.advancedusconsultants.com <
> http://www.advancedusconsultants.com/>
>        [log in to unmask]
>        321-231-2191
>        Sent from my iPhone
>
>        On May 7, 2010, at 10:41 AM, Denise Levy <[log in to unmask]>
> wrote:
>
>
>
>                HI all,
>                Severe cases of massive DVT you should look for PTA patency
> and waveform. I have seen some cases of little arterial flow since there is
> not return of the venous. Also depends if the DVT is being treated.
>                I have seen 2 clots travel in my entire 30 yr career.. and
> they very small patient never missed a breath.
>                I think each case deserves confirming the procedure with the
> ordering physician and consulting the vascular reader. Three thoughts are
> better than guessing.  What do ya think?
>                Denise Levy, RVT, RDMS, RDCS
>                San Jose, CA
>
>
>                On Fri, May 7, 2010 at 7:30 AM, Smith, Matthew G. < <mailto:
> [log in to unmask]> [log in to unmask]> wrote:
>
>
>                        I'm with Doug,
>
>                        I would do an ABI if properly indicated (or limited
> lower extremity arterial plethysmography, as some would like me to use
> proper terminology).  I would not do a complete study with cuffs at the calf
> and thigh levels.
>
>
>
>                         Matt
>
>
>
>
> ________________________________
>
>
>                        From: UVM Flownet [mailto: <mailto:
> [log in to unmask]> [log in to unmask]] On Behalf Of Doug
>                        Sent: Friday, May 07, 2010 10:05
>
>
>
>                        To: <mailto:[log in to unmask]>
> [log in to unmask]
>
>                        Subject: Re: TO ABI OR NOT TO ABI...
>
>
>
>
>
>
>
>                        PE from ankle pressure... Never heard of that one? I
> would find that highly unlikely..
>
>
>
>                        D
>
>                        Doug Marcum
>
>                        RDMS,RDCS,RVT(APS),RPhS
>
>                        *Advanced Ultrasound Consultants
>
>                        *Global Vein Solutions
>
>                        <http://www.advancedusconsultants.com/>
> www.advancedusconsultants.com <http://www.advancedusconsultants.com/>
>
>                        <mailto:[log in to unmask]>
> [log in to unmask]
>
>                        321-231-2191
>
>                        Sent from my iPhone
>
>
>                        On May 7, 2010, at 9:52 AM, "Ruhland, Greg F." <
> <mailto:[log in to unmask]> [log in to unmask]> wrote:
>
>                                Hey everyone,
>                                   I always read the flow but I don't always
> participate, I feel the interested in what we might have to say about this
> subject.
>
>                                   My lab has co-medical directors,
> interventionalist and vascular surgeon. The question was brought up... do
> you perform an ABI on a patient positive for DVT. A fairly heated discussion
> followed from 3 surgeons and 1 interventionalist very firmly divided on the
> subject. For all the obvious reasons. Possible to cause P.E., the need to
> know of arterial complications. Would an ankle pressure really be enough to
> cause P.E., Blah blah, blah. We all know there are good arguments for both
> schools of thought.
>
>                                  What do you think, and does your lab have
> a set protocol? ( I think it should be different depending on each
> particular case, extent of DVT, other complications...ect.
>
>                                  Just wondering if it will spark the same
> intensity of debate for one side or the other.
>                                     Greg Ruhland RVT
>
>
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