Key result
Novel portable device achieves real-time detection of ECG QRS complexes and PPG signals.
Why the study?
A portable device capable of simultaneous ECG and PPG signal detection, arrhythmia analysis, and SpO2 calculation was needed for real-time monitoring.
A newly developed portable device can simultaneously and correctly detect ECG and PPG signals for arrhythmia analysis and SpO2 calculation.
Portable ECG-PPG device prototype shows technical feasibility; leaves open clinical validation for arrhythmia detection and SpO2 accuracy.
We design a portable measurement device which can simultaneously detect ECG (electrocardiograph) and PPG (photoplethysmograph pulse wave) signal, analyze arrhythmia and calculate SpO2(oxygen saturation of blood). It consists of two parts: the main and the sub. Besides of the most important part MSP430 MCU, there are front-end amplifiers, filter circuit, Bluetooth module, data management module, keyboard and LCD display module, etc. The device can detect QRS complex and PPG signals in real time. For the Fantasia database and patients, the monitor can correctly judge the QRS complex of ECG signals and PPG signal.
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Ming Hong (2012) studied Arrhythmia. Portable ECG and PPG measurement device was evaluated on Detection of QRS complex and PPG signals. A newly designed portable measurement device correctly detected the QRS complex of ECG signals and PPG signals in real time using the Fantasia database and patient data.
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