ECG data and XML

Jonathan Borden jborden at
Tue May 4 13:49:06 BST 1999

Patrice Bonhomme wrote:

> I am working on a system to handle ECG (Electrocardiogram) binary
> data. I am
> using XML to manage all the meta-data (concerning identification,
> patient,
> folder, ...). I was wondering if someone else has already put his
> hands in
> this kind of data.

	Yes, certainly there are several options for handling binary data, as is
pointed out in the article at namely:

1) maintain binary data in an external file and use notations/links to
2) maintain binary data inline in a base64 encoded element, to see an
example send a MIME e-mail with a binary attachment, e.g. your ECG file, to
test-xmtp at and it will send it back to you in XML
encoded MIME format.
3) use a MIME multipart/related message to maintain an XML part (metadata)
and a binary part (or parts) in a single document
4) convert the 'binary' ECG data into vector format and transmit as XML e.g.
in SVG format. SVG is particularly well positioned to handle ECG data (as
opposed to x-ray data).

Jonathan Borden

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