A Heart Monitoring System for a Mobile Device

A Heart Monitoring System for a Mobile Device

Duck Hee Lee, Ahmed Fazle Rabbi, Noah Root, Reza Fazel-Rezai, Jaesoon Choi, Pablo de León, Joshua Wynne
Copyright: © 2012 |Pages: 18
DOI: 10.4018/jhcr.2012100102
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There have been major advances in research and development of devices for the diagnosis of patients in the medical field. A light and portable wireless system to monitor human physiological signals has been always a medical personnel’s dream. An e-health monitoring system is a widely used noninvasive diagnosis tool for an ambulatory patient who may be at risk from latent life threatening cardiac abnormalities. The authors proposed a high performance and intelligent wireless measuring e-health monitoring system for a mobile device that is characterized by the small sized and low power consumption. The hardware system consists of an one-chip microcontroller (Atmega 128L), a wireless module, and electrocardigram (ECG) signal preprocessing including filtering, power noise canceling, and level shifting. The software utilizes a recursive filter and preprocessing algorithm to detect ECG signal parameters, i.e., QRS-complex, Q-R-T points, HR, and QT-interval. To easily interface with a mobile device, an analyzer program operates on a Windows mobile OS. This paper described the system that was developed and successfully tested for a wireless transmission of ECG signals to a mobile device.
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Materials And Method

In this section, the hardware and software implementation of the system are described.

Hardware Implementation

Figure 1 shows the block diagram for the wireless heart monitoring system. The hardware comprises four separate parts: an ECG data acquisition from the patient, analog hardware circuit, digital hardware circuit, and wireless data transmission.

Figure 1.

System block diagram


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