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This paper presents a fully integrated wireless electrocardiogram (ECG) SoC implemented in asynchronous architecture, which does not require system clock as well as off-chip antenna. Several low power techniques are proposed to minimize power consumption. At the system level, a newly introduced event-driven system architecture facilitates the asynchronous implementation, thus removes the system clock...
This paper presents a clockless fully-integrated wireless electrocardiogram (ECG) system-on-chip (SoC) for wearable ECG sensor. The clockless implementation is enabled by the combination of event-driven ADC and impulse-radio ultra-wideband transmitter, leading to an order of magnitude reduction in power. A DC-coupled analog front-end with a novel baseline stabilizer boosts the input impedance to several...
The paced patient population has significantly increased recently making it a priority for modern patient monitoring systems to provide accurate results for paced patients. This task has become more complicated with modern pacemaker technology and changes in the paced patient population. Certain pace pulse morphologies and paced heart rhythms demand a significant increase in the complexity of pace...
In automated ECG monitoring, QRS detection performance is dependent on noise measurements on individual leads. A new signal quality measurement based on stability analysis of QRS complex features has been developed to assess individual ECG lead quality. The new method was evaluated on the records of the MIT-BIH arrhythmia and NST databases. Results showed that the new signal quality measurement can...
Modern QRS detectors in patient monitoring systems must provide accurate results even when interfering noise is present. This task is complicated by the heterogeneous and non-uniform nature of the patient population. Certain beat morphologies demand a significant increase in the complexity of beat detection algorithms. At the same time, it is important to take a system-wide approach to the beat detection...
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