Hi Gyan!

I just found three articles that could be useful, including one from this site (please, see the attachments)

Let me know if this was helpful and please upvote my answer...

Best regards!

There are already some research using heart sound to perform segmentation in ECG signal.

@ Maxime Yochun ......could you provide some links

thanks

http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1291157&tag=1

http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4745471

Hi Gyan,

I'm not sure if you want to re-invent he wheel, or have some new ideas for it.

The company Inovise Medical has a (clinical) product line called Audicor (Just Google).

It goes with some accompanying software.

They have integrated a regular ring ECG electrode with a microphone. A ferrite of considerable weight is added for what seems to me for sound quality in the low frequencies.  It works pretty sleek but the downside of this approach is that the weight is introducing more ECG movement artefacts.

I'm not convinced that the electrode and microphone should coincide.  IMHO a microphone placed very near an ECG electrode would give similar sound results with less movement artefacts. But maybe an Inovise engineer could prove me wrong.

Anyway, your question seems to indicate you want to record sound on different places than the ECG electrodes.

A swissmed paper on their website:

http://www.inovise.com/SiteAssets/Erne_Beyond_Swiss.pdf

Lot's of succes with your investigation,

Loek Gijben

Hi Loek

Appreciate your answer regarding my question. 

Thanks 

Gyan

ECG  represents  Electrical  activity  and  the  heart  sounds denote the  acoustic property.  Both  are  physically  unrelated  with  different  physical  properties.  We  have  seen  Electrical  activity  of  the  heart  in a  dead patient (  agonal  rhythm).  The  ECG often  is  related  to  excitability  where  as  heart  sounds  are  related  to  the  mechanical physical  property -  the  force  of  contraction. Excitability  and the  ionotropism  again  are  unrelated to  each  other.

 Dear Muralidharan Sir

Thanks for your insight.

Regards

Gyan