The design of heart sounds and electrocardiogram monitor system based Atmega 128L

Miao Cao; Zhiyong An; Ying Zhang

doi:10.1117/12.717098

24 October 2006 The design of heart sounds and electrocardiogram monitor system based Atmega 128L

Miao Cao, Zhiyong An, Ying Zhang

Proceedings Volume 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence; 635720 (2006) https://doi.org/10.1117/12.717098
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

This paper introduces a realtime system which can acquire,process,store and display heart sounds and electrocardiogram(ECG) of the human body at the same time.It is composed of superior microprocessor--Atmega128L,large capacity Flash and the new type LCD.All hardwares adopt low power design and surface mounting package. The specialities of the system are low power, compact, and high intelligence. In consideration of transplant and solidity of the system, at the same time, it ensures that some complicated arithmetic can be realized.The system software applies mold construction and programs in C language. A model for automatic arithmetic is established for the feature extraction of ECG, realtime cardiotach ambulatory analysis is realized. The system is capable of recording ECG and heart sounds information in succession for 48 hours and it stores the no compression data synchronously. More than ten types of familiar heart diseases can be diagnosed in time by it automatically. The testing data achieved from this system is dependable, the diagnosing result is accurate and the waveform is no distortion. It solved a problem within the same kind of products effectively, that is, the dynamic ECG and heart sounds signal are acquired separately. The system do not affect the daily living and working of human being when it is used, so it is suited for clinical and family monitoring.

Citation Download Citation

Miao Cao, Zhiyong An, and Ying Zhang "The design of heart sounds and electrocardiogram monitor system based Atmega 128L", Proc. SPIE 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence, 635720 (24 October 2006); https://doi.org/10.1117/12.717098

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KEYWORDS

Heart

Electrocardiography

LCDs

Signal detection

Data storage

Analog electronics

Clocks

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