Building a wireless ECG machine with bluetooth or RF

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juming
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I'm looking for info/help/cct diagrams on ECG machines, how they work etc etc. the full works. Looking to make a "simple" wireless ecg on bluetooth/rf.
any help? sites? thanks:)
 

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I went to Howstuffworks.com and did a search. They don't have a direct explanation about how EKG machines work, but they did have a link to this interesting site:

http://themdsite.com/default.cfm

That site is more about interpreting the EKG trace, not about how the machine measures it.

Then I googled ekg machine electrode circuit and got lots of good hits. Here's the first one:

http://www.eecs.harvard.edu/~mdw/papers/ekg-embs04.pdf

"A Portable, Low-Power, Wireless Two-Lead EKG System"

Hope that helps. -Mike-
 
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