A PDA-Based Wireless ECG Monitoring System for u-Healthcare / 대한의료정보학회지

OBJECTIVE: The purpose of this study is to design a portable ECG monitoring system, which integrates up-to-date PDA and RF communication technology, and to acquire the subject's biomedical signal without any constraint. METHODS: The developed system is composed of a transmitter and a receiver. The transmitter has a MCU (microcontroller), three-axial acceleration sensor, ECG amplifier and Zigbee communication controller. It has two types of transmission mode, which are total signal transmission mode and HR (heart rate)/SC (step count) transmission mode. The receiver has a MCU, Serial Communication IC, and Zigbee communication controller. It forwards the received data to PDA, where the data can be stored and displayed. RESULTS: In total signal transmission mode, it can send data 60 packets per second whose transmission speed corresponds to 300 ECG samples and 60 acceleration samples. In HR/SC transmission mode, it can calculate heart rate from ECG data with 216 samples per second and step count from acceleration data and send a packet every cardiac cycle. CONCLUSION: Using this device, a new method of remote monitoring both vital sign and activity is realized. A PDA-based wireless ECG system enables patients to be monitored during their daily living, without any constraints. Also, this method will reduce medical costs in the aged society.

Implementation of Device Independent ECG Reporting System Using Web Development Framework / 대한의료정보학회지

OBJECTIVE: We developed a Cocoon framework-based device independent electrocardiogram(ECG) Reporting System in order to support such various web devices as desktop Personal Computer(PC), Personal Digital Assistants(PDA) and SmartPhone. METHODS: ECG Reporting System, built in the Cocoon framework, consists of modules of ECG Report Module and ECG Image Module. Two modules publish the applied ECG Report to each different templates according to the requesting device. The method of framework-based development in this paper features a reduction of development costs and the robust stability of system. RESULTS: The medical staff may require patient ECG information in ubiquitous healthcare environment, ECG Reporting System supports their correct judgment and expeditious response by servicing ECG report of the patient according to the requesting device. CONCLUSION: The proposed system and concept in this paper may be a good solution for developing the point of care service system supporting various mobile devices.

PDA Based Point-of-care Personal Diabetes Management System / 대한의료정보학회지

OBJECTIVE: To develop a PDA based hand-held system, which assists diabetic patients to self manage his/her blood glucose level, diet, and other related variables in a systematic way. METHODS: Personal diabetes management system(PDMS) was developed in the integrated environment of Visual Studio.net 2003. The system was configured based on the documentation resulted from extensive review on the current S/W products and internet homepages for the diabetes. RESULTS: PDMS was implemented with four main menus to manage personal information, diet, exercise, and blood glucose. It was designed to provide the quantitative health indices such as body mass index and diabetes index based on the personal physical information, pedigree, and living habits. It addition, it is capable of predicting changes of the body weight, which may remind patients of the importance of the disease management. CONCLUSION: A PDA based hand-held self management system was developed for the diabetes. The present system can be used as a mobile device within the tele-healthcare system integrated with medical center thru the internet.