在世界經濟全球化的發展狀況下，社會上各階層人士相對數百年前的過去變得有能力享受到科技所帶來的便利生活。但在豐富的物質生活環境下，大魚大肉、多吃少動，卻讓各種在古代富人身上才會有的疾病如今成了隨處可見的文明病，諸如：高血脂、高血壓、冠狀動脈阻塞、心血管疾病、中風等等。但隨著醫療科技並沒有停下發展的腳步，居家照護用的醫療器材，把原本只能在醫院才能使用的大型儀器小型化，利用各種的有線或無線通訊技術，將儀器所蒐集到的資訊集中起來傳輸至伺服器或儲存在各式媒體，讓病患不需再住院才能進行長時醫療監測，對於行動不便的人有莫大助益。
本論文旨在研究設計可攜帶式的心電圖機系統，必須顧慮到安全、低耗電、體積小、低成本與通訊連線的便利性。故而選用嵌入式微處理器系統搭配前級濾波放大電路，利用目前無線通訊領域中，全球市佔率最高的藍牙技術，將所蒐集到的心電波形傳輸至各式手持式裝置，像是手機、筆電、平板電腦，甚至是未來的智慧錶上。而整個手持式心電圖機系統，只需要標準的五伏特電池即可工作。

With the rise of economic in the world, life becomes more convenient than past hundred years. Many diseases of civilization like Hyperlipidemia, Hypertension, Coronary artery disease becomes, Cardiovascular disease, cerebral vascular accident become general. Fortunately, Medical technology is also be raised up with the development of scientific and technological progress. Portable medical devices is not only imagination.
This thesis will try to create a portable wireless ECG system which is safe, low power consumption, small size, low cost and wireless communication. It is an embedded system with a microcontroller, a ECG filter, a Bluetooth controller. The whole portable ECG system is functional with a 5V battery power supply.

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