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UB Students Create Portable ECG Device

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Submit by prasetyaFT on July 12, 2017 | Comment(s) : 0 | View : 728

In 2008 it was estimated that 17.3 million deaths were caused by cardiovascular disease. More than 3 million of these deaths occur before the age of 60 years and should be preventable. "Premature" deaths caused by heart disease occur in the range of 4% in high-income countries up to 42% occur in low-income countries.

Electrocardiogram (ECG) is a physiological signal generated by the cardiac electrical activity. For monitoring, ECG signals will be measured for long periods of time to monitor the patient's signal. When the patient has put an ECG device, some of them should undergo another process of examination that forces the patient to move around the room. In this condition, the patient's ECG signal monitoring is usually discontinued because the installed ECG device can not be taken anywhere.

Led by M Azril Muttaqin (Eng), five students of Universitas Brawijaya offer a new solution, CABLE, a portable ECG device connected to a wireless data transmission device and an electrocardiograph signal viewer which is connected to a computer device. The design of this tool is expected to cope with delayed treatment in patients with heart problems during the monitoring process.

The overall device specification of the circuit is determined first as the reference in designing and assembling components. CABLE use Battery Ion Polymer 11.7V so it last long, Sensor Electrode Ag/Agklik as an ionic signal converted into electrical signal, Sighting technique used Einthoven triangle theory, AD8232 ECG Signal Amplifier, Arduino Nano, and Wireless Module NRF24L01 with 2.4GHz frequency, SPI serial communication with the host.

"CABLE can be easily put on the patient belt. This tool can send the signal from ECG amplifier to computer through wireless module NRF24L01 which then allowed patients to move freely and undergo another treatment while their heart activity being monitored and the data showed through PC/laptop," said Azril.

With his four team members; Idam Almualif (Eng), Ibrahim Hasan (Eng), Raras Ambarjati Susilohadi (Med), and Ruth Katrin Goldina (Med), he submits this idea for Student Creativity Program 2017. Ir Nurussa'adah MT (Eng) as their supervisor guide them from study literature, tool specifications, design, the making, until trial and error for the tool.

"From the evaluation that has been done, the success rate of this tool reaches 81%," said this Electrical Engineering student.(mic/Humas UB)

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