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Zeroing the arterial line   Message List  
Reply | Forward Message #1674 of 5113 |
Re: Zeroing the arterial line

The easiest way I can describe it is when the wave form is not crisp;
does not have a sharp peak and/or dicrotic notch, but rather a sloping
up and down strokes. Sometimes, it may look like gentle ocean waves
(really dampened).

--- john hendricks <husker336@...> wrote:

> can anyone explain what it means if your wave form is dampened?
>
> Roxan Temaat <rtemaatemict@...> wrote:The stopcock is
> positioned off to the patient, remove the cap and
> 'zero' it on the monitor.
>
> Roxan
> EMICT, RN
>
> --- dinoda@... wrote:
>
> > Hello Nurse Bob, I have a question regarding the position of the
> > stopcock when zeroing an A-line. I read your description on
> > transducer/line set up and use however I am not sure which way the
> > stopcock should be positioned. Should the stopcock be open to all
> > three ports, pressure bag, to air and patient or closed to one of
> the
> > three (not closed to air obviously and with the "end cap" removed)
> > when I use the "zero" function on my monitor? Your information is
> > greatly appreciated, Thank you, Dino D'Angelo, Paramedic/RN.



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Wed Oct 5, 2005 2:45 pm

roxanrn2003
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Message #1674 of 5113 |
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Hello Nurse Bob, I have a question regarding the position of the stopcock when zeroing an A-line. I read your description on transducer/line set up and use...
dinoda@...
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Oct 1, 2005
1:50 am

The stopcock is positioned off to the patient, remove the cap and 'zero' it on the monitor. Roxan EMICT, RN ... __________________________________ Yahoo! Mail...
Roxan Temaat
roxanrn2003
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Oct 1, 2005
2:21 am

Hi Roxan...As for zeroing a-line, or swan-ganz or just a cvp - the stopcock is closed toward the patient...the port is then uncovered and then zeroed - the...
stan bridgman
sbridg22
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Oct 4, 2005
1:53 am

oops....sorry, wrong response the first time.... Roxan Temaat <rtemaatemict@...> wrote:The stopcock is positioned off to the patient, remove the cap and ...
stan bridgman
sbridg22
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Oct 4, 2005
1:54 am

Actually the data with the a-line zeroing actually state that you do not need to remove the cap at all, and you just have to loosen it. Joanne RN, CCRN ICU ......
azjo2u
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Oct 6, 2005
9:20 pm

can anyone explain what it means if your wave form is dampened? Roxan Temaat <rtemaatemict@...> wrote:The stopcock is positioned off to the patient,...
john hendricks
husker336
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Oct 4, 2005
9:16 pm

The easiest way I can describe it is when the wave form is not crisp; does not have a sharp peak and/or dicrotic notch, but rather a sloping up and down...
Roxan Temaat
roxanrn2003
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Oct 5, 2005
2:45 pm

Your waveform is damped if the top, or systolic pressure, is underestimated and the bottom, or diastolic pressure, is overestimated. Also the dicrotic notch...
todd bachmeier
tbrnlv
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Oct 5, 2005
10:11 pm

As for zeroing a-line, or swan-ganz or just a cvp - the stopcock is closed toward the patient...the port is then uncovered and then zeroed - the pigtail on the...
stan bridgman
sbridg22
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Oct 4, 2005
1:54 am

Usually...the pressure is transmitted from the artery (or whatever you are monitoring) thru the pressure tubing (which is stiff) and fluid to the transducer....
Reynolds, Robert
rtct33
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Oct 5, 2005
2:50 pm

When there are bubbles in a line or kinks in a line, or the line is perhaps, adhered to the wall of the vessel/heart, the waveform may flatten or appear...
Joy Casto
jcasto@...
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Oct 5, 2005
3:21 pm

thank you just took my cicp / flightmedic test had a similar ? thanx fro taking the time to clarify Joy Casto <jcasto@...> wrote:When there are bubbles...
john hendricks
husker336
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Oct 6, 2005
4:57 am
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