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Development of Cardiac Prescreening Device for Rural Population Using Ultralow-Power Embedded System

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6 Author(s)
Subhamoy Mandal ; Medical Imaging and Image Processing Lab, School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, India ; Kausik Basak ; K. M. Mandana ; Ajoy K. Ray
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The invention is inspired by the desire to understand the opportunities and expectations of developing economies in terms of healthcare. The designed system is a point-of-care (POC) device that can deliver heart-care services to the rural population and bridge the rural-urban divide in healthcare delivery. The product design incorporates several innovations including the effective use of adaptive and multiresolution signal-processing techniques for acquisition, denoising, segmentation, and characterization of the heart sounds (HS) and murmurs using an ultralow-power embedded Mixed Signal Processor. The device is able to provide indicative diagnosis of cardiac conditions and classify a subject into either normal, abnormal, ischemic, or valvular abnormalities category. Preliminary results demonstrated by the prototype confirm the applicability of the device as a prescreening tool that can be used by paramedics in rural outreach programs. Feedback from medical professionals also shows that such a device is helpful in early detection of common congenital heart diseases. This letter aims to determine a framework for utilization of automated HS analysis system for community healthcare and healthcare inclusion.

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IEEE Transactions on Biomedical Engineering  (Volume:58 ,  Issue: 3 )