Review on Digital Stethoscope
Kuldeep Singh1, Preeti Abrol2, Neelam Rathi3

1Kuldeep Singh, Department of Embedded System, CDAC Mohali, India.
2Preeti Abrol, Principal Design Engineer at C-DAC, India.
3Neelam Rathi, Department of Electrical and Electronics Engineering, HCTM, Kaithal. India.
Manuscript received on June 03, 2013. | Revised Manuscript received on June 27, 2013. | Manuscript published on July 05, 2013. | PP: 96-97 | Volume-3 Issue-3, July 2013. | Retrieval Number: C1637073313/2013©BEIESP
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Abstract: The stethoscope is one of the basic diagnostic tools in the medical world. The heart sounds are generated by the beating heart and the resultant flow of blood through it. It can provide the information of patient’s cardio respiratory system. The death due to heart diseases has become the second mortality after the stroke in the world .Heart sound stethoscope is primary stage to access. Stethoscope is an acoustic medical device for listening to internal sounds in human body. Some researchers concluded that an abnormal heart-rate profile during exercise and recovery is a predictor of sudden death. Because the incidence of cardiovascular disease increased every year, cardiovascular diseases relating to heart has become worldwide common and high prevalent disease. A digital stethoscope provides revolutionized way of ausculatating the heart sounds.
Keywords: Auscultation, microcontroller, heart sounds, stethoscope.