نتایج جستجو برای: photoplethysmography
تعداد نتایج: 1059 فیلتر نتایج به سال:
Abstract The modified Allen test (MAT) is a widely used tool to examine the perfusion capacities of arteries (ulnar or radial) hand. In clinical practice, MAT utilized ensure that in event occlusion, remaining vessels guarantee sufficient hand perfusion. This work shows assessment via imaging photoplethysmography (iPPG) can be assess MAT. We captured hands seven subjects with standard RGB camer...
The reflection anisotropy spectra (RAS) observed initially from Au(110)/phosphate buffer interfaces at applied potentials of -0.652 and 0.056 V are very similar to the spectra observed from ordered Au(110) (1 × 3) and anion induced (1 × 1) surface structures respectively. These RAS profiles transform to a common profile after cycling the potential between these two values over 72 h indicating t...
Wireless PPG devices were developed and embedded in everyday clothes (bandage, scarf, cycling glove and wrist strap) to monitor cardiovascular state of free-moving persons. The corresponding software for measurements also has been developed and tested in laboratory. Real-time measurements of PPG signals were taken in parallel with a professional ECG reference device, and high correlation was de...
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