北京生物醫(yī)學(xué)工程

面向家庭健康監(jiān)護(hù)的心電監(jiān)護(hù)系統(tǒng)設(shè)計(jì)

Design of ECG Monitor for the Family Health Care

作者：張海軍崔松野徐效文金雷

單位：中南大學(xué)地球科學(xué)與信息物理學(xué)院生物醫(yī)學(xué)工程研究所（長(zhǎng)沙 410083）

關(guān)鍵詞：嵌入式系統(tǒng)；閾值法；心電監(jiān)護(hù)；家庭健康監(jiān)護(hù)

分類(lèi)號(hào)：

出版年·卷·期（頁(yè)碼）：2011·30·6（613-617）

摘要：

目的研制一款面向家庭的心電監(jiān)護(hù)系統(tǒng)。方法以基于ARM920T的s3c2440為核心，控制心電信號(hào)采集，并結(jié)合嵌入式軟件技術(shù)，實(shí)時(shí)顯示、分析和記錄心電信號(hào)，對(duì)患者進(jìn)行監(jiān)護(hù)。算法部分采用適用于嵌入式系統(tǒng)的動(dòng)態(tài)差分閾值法檢測(cè)QRS波波群。結(jié)果該監(jiān)護(hù)系統(tǒng)能實(shí)時(shí)、動(dòng)態(tài)顯示心電波形，并可以識(shí)別4種心率異常，能較好地反映和分析患者的心電活動(dòng)狀況。結(jié)論該心電監(jiān)護(hù)系統(tǒng)操作簡(jiǎn)便，運(yùn)行穩(wěn)定，能夠滿(mǎn)足一般家庭需求，具有良好的應(yīng)用前景。

Objective To develop an electrocardiograph(ECG) monitor for family health care. Methods The ARM920t-based microprocessor s3c2440 was adopted as MCU which controlled the ECG data acquisition. The ECG signal were recorded and displayed in real time based on the embedded software which was designed integratedly to analyze the abnormal ECG signals. In order to detect the QRS wave accurately, the difference and threshold methods, which were perfect for embeded system, were adopted. Results The system displayed the ECG waves dynamically in real time. It recognized four types of abnormal ECG signals and analyzed the status of the patient’s ECG signals well. Conclusions The ECG monitor works reliably and is easily operated, that satisfies the demand of family care, and has broad application prospects.

參考文獻(xiàn)：

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