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Digital Stethoscope for digital doctors



             Stethoscope has been used for many years, and has been very effective to diagnose certain cardiologic and pulmonologic sounds. For many years healthcare professionals would listen quietly to patients internal organs so    they could diagnose from specific sounds of such internal organs. The problems faced with the ordinary stethoscope are:

ü  Two other sounds (s3&s4) which also exist along with the two classic sounds (lub & dub) cannot be detected by the graphical recording.
ü  Does not allow early detection of heart diseases.
ü  Does not provide graphical plot of the heart sound with respect to time.
ü  Permanent record of analysis cannot be maintained.

             The objective is to develop a peripheral interface controller based digital stethoscope to capture the heart sounds. The proposed designed device consists of the following hardware stages:

ü  Front-end pickup circuitry
ü  microcontroller
ü  graphical display
ü  Serial EEPROM

            The software time and frequency domain analysis of the heart sound is done using MATLAB. A digital stethoscope would help healthcare professional record their findings on a serial EEPROM. Once the data is stored, the healthcare professionals can hear and plot the graph. This would be a quick and more effective since there is a visual and audio representation to diagnose such cardiologic sounds.

4 comments :

  1. sir,is it possible to display the number of beats that the heart make in one minute by using digital stethoscope(it may vary in runners,young people,old people)???

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  2. This comment has been removed by a blog administrator.

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  3. It is true that the health practitioners use stethoscope more often than any other medical device, and it has become an inseparable part of following diagnostic processes.

    ReplyDelete

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4 comments :

aketi veera venkata Raviteja said...

sir,is it possible to display the number of beats that the heart make in one minute by using digital stethoscope(it may vary in runners,young people,old people)???

Lovakiranvarma Myla said...

ofcourse u can do that

Anonymous said...
This comment has been removed by a blog administrator.
Jeremy said...

It is true that the health practitioners use stethoscope more often than any other medical device, and it has become an inseparable part of following diagnostic processes.

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