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A series of experiments was conducted in order to determine the reaction kinetics of various types of heart rate monitoring electrodes. In addition, nonmotion on-body measurements were performed in order to gauge how the difference in reaction kinetics translates to the electrocardiogram signal. Standard solid-gel Ag/AgCl single use monitoring electrodes are used here as the gold standard to which...
Physicians' understanding of biosignals as measured with medical instruments becomes the foundation of their decisions and diagnoses of patients, as they rely strongly on what the instruments show. Thus, it is critical and very important to ensure that the instruments' recordings exactly reflect what is happening in the patient's body so that the acquired signal is the real one or at least as close...
Even though it might be beneficial to have continuous baseline data upfront, nowadays hospitalized patients are put on a vital signs monitor not earlier then they become bed-ridden. Aim of this study is to show the feasibility of a broader monitoring concept embracing many more subjects by monitoring contact-free vital signs with sensors embedded in clinical fitments. This work demonstrates a way...
With the development of electronics, communications and materials technology, smart clothing or referred to as electronic textiles (E-Textile) are gradually moving from concept to practice. Reliable, safe and non-obtrusive wearable physiological monitoring is an important application field of smart clothing. Electrocardiogram (ECG) is a very important physiological parameters, but conventional ECG...
In this paper different types of electrodes for long-term surface EMG recording are compared to a reference electrode that is established for clinical use. The electrode materials include four different polymers with conductive load and a fabric of threads coated by a conductive layer. Different criteria are used to evaluate surface EMG recording: the signal quality, including signal-to-noise (SNR)...
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