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I would think that false positives come from improper prepping and/or
technique, not from failure of the povidone/iodine solution.

Steve Taylor, RN, CEN
Emergency/Trauma Nursing
Children's Hospital of Philadelphia


----- Original Message -----
From: "tom langston" <[log in to unmask]>
To: "Steven Taylor" <[log in to unmask]>
Sent: Thursday, September 07, 2000 12:08 PM
Subject: Re: Urine samples in children


> While I agree with you re: never using a bagged sample
> when investigating a possible infection, I am
> wondering about the "bactericidal" action of the prep
> solution. If the prep were truely bactericidal, would
> we be gettting the false positives, in the first
> place? Wouldn't the prep kill the contaminant?
>
> Tom Langston, MD
> Greenville, SC
> --- Steven Taylor <[log in to unmask]> wrote:
> > When obtaining a urine sample for specific gravity,
> > ketones, blood, etc,
> > bagging is perfectly fine. When looking for
> > nitrites/leuks and/or obtaining
> > a culture, bagging is never acceptable. Even if the
> > perfect prep of the area
> > is done with povidone-iodine, the bactericidal
> > action of the prep would
> > render a culture virtually useless.
> >
> > My .02 cents,
> >
> > Steve Taylor, RN, CEN
> > Emergency/Trauma Nursing
> > Children's Hospital of Philadelphia
> >
> >
> > ----- Original Message -----
> > From: "David B. Toth" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Wednesday, September 06, 2000 4:52 AM
> > Subject: Urine samples in children
> >
> >
> > > What is the current, unemotional wisdom regarding
> > the method of obtaining
> > a
> > > urine sample in children?
> > >
> > > Specifically, when would "bagging" be OK? Is it
> > EVER OK?
> > >
> > > Do you really have to cath every child you suspect
> > as having a UTI ???
> > >
> > > case in point was a male child with fever that we
> > bagged - mother was not
> > > keen about a cath sample, and we were not going to
> > start calling her names
> > > over it. Our pediatrics person is livid that I
> > didn't cath this child (age
> > > about 10 months) despite the fact that we prepped
> > the perineum.
> > >
> > > I did make sure that a C&S was done despite the
> > fact that the sample
> > looked
> > > benign.
> > >
> > > Help me fight local dogma with reasonable
> > facts/analysis. Don't get me
> > > wrong, I do do my share of caths.
> > >
> > > Dave
> > >
> > > David B. Toth, MD          mailto:[log in to unmask]
> > > Dept. of Emergency  Medicine
> > > Div. of Hyperbaric Medicine
> > > Lima Memorial Hospital,    "Seek not every quality
> > in one individual"
> > > Lima, Ohio                        - Confucius
> > >
> > > For more information, send mail to
> > [log in to unmask] with the
> > message: info PED-EM-L
> > > The URL for the PED-EM-L Web Page is:
> > >
> >
> http://www.brown.edu/Administration/Emergency_Medicine/ped-em-l.html
> >
> > For more information, send mail to
> > [log in to unmask] with the message: info
> > PED-EM-L
> > The URL for the PED-EM-L Web Page is:
> >
> http://www.brown.edu/Administration/Emergency_Medicine/ped-em-l.html
>
>
> =====
> The early bird may get the worm....but the second mouse gets the cheese.
>                      -Guy Clark
>
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For more information, send mail to [log in to unmask] with the message: info PED-EM-L
The URL for the PED-EM-L Web Page is:
  http://www.brown.edu/Administration/Emergency_Medicine/ped-em-l.html