On Sat, Mar 05, 2005 at 10:22:27PM +1000, Bigpond wrote:
> "That is not feasible"
> 
> And that's the  problem that will keep the  technical people in
> money for years to come.
>

$$$ Cheers $$$ ;-)

> Not only must it be feasible it  will be demanded by judges and
> courts if the EHR is to ever be truly adopted. Even now we have
> rules that all e-mails where a decision is made must be printed
> out! The paperless world has never been to court.

It is,  but a matter  of time. In  this case, may  take varying
amount of time in different countries, but then technology will
finally prevail.  Do you  recall a  few decades  ago when  ball
point pens  first made an  appearance in  the market ?  It took
some time  for banks and courts  to accept documents  signed in
ball pens  ! But then, that  was a relatively minor  thing when
compared with a digital transition. And we have all forgotten !

The main issue here is  varification of authenticity of digital
data entry. There  must be some mechanism to  ensure that every
entry placed in the EHR must be authenticated by the signitory,
even if the entry is made by a secretary, DEO or transcription-
ist. Once  a fail  proof method is  evolved, the  legal process
would gradually  yeild. The  value of the  signed hard  copy is
aithenticity, not  content. It  is this issue  that we  need to
address.


> It is feasible of course but complex. 

Authentication  must be  ensured in  spite  of the  complexity.
There is no alternate recourse.

> Flags are set when pages are  viewed, there are intricate audit
> trails (terabytes).

Audit  trails of  visits  are only  to  ensure  read access  by
authorised agencies. What  is more important is  'write access'
authentication, by  best means  as commensurate  with available
technology. No  doctor should  be in  a position  to deny  that
'this medicine  was not prescribed  by me'  or 'this is  not my
report' at any stage.

> The fact  that no one  is doing it  yet is that  the litigation
> costs haven't risen  high enough to balance the need  to do it.
> Once a few specialists are sued  for activities that can not be
> supported by the record and they  known they were innocent then
> we  will   see  some   very  interesting   changes,  either   a
> reappearance of paper  records (personal) or a  new paradigm of
> image capture. IMHO of course.

It would be  inappropriate to wait for  litigation processes to
bring in the change. The thought process would have to be built
in right from scratch, and  refined as technology advances. For
a  start we  could start  with  password/ paraphrase  protected
write access, or GPG/ PGP or maybe thumb imprint ...

But then this is an important  issue, and you just can't bypass
the Law anywhere ...


Dr USM Bish
Bangalore
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