I would agree that C-peptide is the only realistic way to go. But given the
time lapse and the normal glucose & insulin concentrations at the time the
sample was collected, it probably will be normal.
Criminal behaviour of the type alleged is usually repetitive, although there
has to be a first time. I would hope that the local police are interviewing
all the other parents the baby sitter works for.
I would also suspect that her own diabetic control is going to be somewhat
brittle......
Robert Forrest
> -----Original Message-----
> From: [log in to unmask]
> [mailto:[log in to unmask]]On Behalf Of Dr J.
> Falconer Smith
> Sent: 18 May 2000 15:43
> To: [log in to unmask]
> Subject: Deliberate insulin injection?
>
>
>
> Robert Murray writes:
> <<< I was asked by an ER physician (is that A&E in the UK?)
> if it is possible to distinguish endogenous insulin from
> injected insulin in a non-diabetic patient.>>>>
>
> Others know much more than me about this but isn't this the
> classic situation
> where you measure C-peptide?
> High C-peptide - endogenous insulin; low C-peptide - exogenous
> insulin.
> But I expect it is not as simple as that these days!!
> At least C-peptide is fairly stable so you may still be in with a chance.
> Doubt if it would stand up in court however. I await the responses of
> others with interest!
> james falconer smith
>
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