Key result
A newly developed portable ECG monitoring system demonstrated a favorable signal-to-noise ratio, producing clearly readable P waves, QRS complexes, and T waves for clinical evaluation.
Why the study?
Early detection of cardiac abnormalities is needed to reduce risks of life-threatening arrhythmia, requiring portable heart-monitoring systems during free activity.
A newly developed portable ECG monitoring system prototype demonstrates favorable signal quality with clearly readable clinical features.
Answers are grounded in this paper and cite their sources.
Prototype shows feasible free-activity ECG monitoring with readable signals; leaves open clinical validation before practice adoption.
The number of patients with cardiovascular diseases (CVD) is rapidly increasing in the world. Many CVDs are likely to manifest their symptoms some time prior to the onset of any adverse or catastrophic events, and early detection of cardiac abnormalities is incredibly important. To reduce the risks of life-threatening arrhythmia, it is necessary to develop and introduce portable systems for monitoring the state of the heart in conditions of free activity. This paper presents the second generation (prototype) of a portable cardiac analyzer and the developed system for non-invasive cardiac diagnostics. The portable cardiac analyzer mainly consists of an ADC for taking an electrocardiosignal (ECS) and an STM32L151xD microcontroller. To record operational data on current ECS, a block of non-volatile high-speed memory MRAM is connected to the microcontroller. A communication unit is based on the universal combo module SIM868 from SIMCOM, which supports data exchange in GSM/GPRS networks. The developed ECG monitoring system allows making decisions at different levels (cardiac analyzer, server, doctor), as well as exchanging information necessary to ensure an effective diagnostic and treatment process. We evaluated the performances of the developed system. The signal-to-noise ratio of the output signal is favorable, and all the features needed for a clinical evaluation (P waves, QRS complexes and T waves) are clearly readable.
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Alimbayeva et al. (2022) studied Cardiovascular diseases (arrhythmia). Portable ECG monitoring system was evaluated on Signal-to-noise ratio and readability of ECG features. A newly developed portable ECG monitoring system demonstrated a favorable signal-to-noise ratio, producing clearly readable P waves, QRS complexes, and T waves for clinical evaluation.
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