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[Synchronous playing and acquiring of heart sounds and electrocardiogram based on labVIEW].

[Article in Chinese]

Author information

  • 1The Key Laboratory of High Voltage Engineering and Electrical New Technology of the Ministry of Education, College of Electrical Engineering, Chongqing University, Chongqing, 400030 China.


In this paper is described a comprehensive system, which can acquire heart sounds and electrocardiogram (ECG) in parallel, synchronize the display; and play of heart sound and make auscultation and check phonocardiogram to tie in. The hardware system with C8051F340 as the core acquires the heart sound and ECG synchronously, and then sends them to indicators, respectively. Heart sounds are displayed and played simultaneously by controlling the moment of writing to indicator and sound output device. In clinical testing, heart sounds can be successfully located with ECG and real-time played.

[PubMed - indexed for MEDLINE]
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