In article >, says...
>
> Sqwertz wrote:
> >
> > Kathleen > wrote:
> >
> > > As it turns out, she was fine, just badly bruised. But I was alarmed to
> > > hear that one of the techs tried to tell my daughter that the seafood
> > > allergy/contrast dye link was an old wives tale and that they could get
> > > this over with a lot faster if they just used the standard juice.
> >
> > The tech is right. Elemental iodine is not the allergen in seafood.
> >
> > http://www.wdxcyber.com/ngen22.htm
> >
> > I'm allergic to shellfish and my insurance wouldn't pay for the
> > alternate contrast agent. So the last time I needed the contrast
> > x-ray, I just didn't tell them about the shellfish. Everything went
> > fine.
> >
> > You'd think that the medical profession would be up to date on this
> > stuff. I'm surprised they don't still use leeches.
> >
> > -sw
>
> The usual contrast agents for MRI contain gadolinium. However some CT
> contrast agents can contain iodine.
> Haven't yet had a bad reaction to the MRI agent but did have one to the
> CT agent by the third go-round.

Yes indeed. CT contrast is what ultimately lead to the death of my
maternal grandmother. The reaction triggered congestive heart failure
and boom, dead on the spot.

I've had a head MRI and they used the gagolinium contrast agent and I
suffered no ill effect from it.