Receiving a standard 12-lead electro-cardiogram (ECG) is a well established method to get information of the heart's electrical activity recorded from electrodes on the body surface. In comparison to standard ECG, Body-Surface-Potential-Mapping (BSPM) is an advanced method providing more extensive and precise diagnostic data. The reason for an improved detection and separation of pathophysiological heart function by BSPM is due to the much larger number of sampling positions of the electrodes attached to the thorax. Hence, spatially and temporally important features may be captured by BSPM but not by the 12-lead-ECG. So far, high cost and complexity have presented widespread use of BSPM in clinical settings.<br> Our new method requires only a standard 12-lead ECG device with digital data output providing almost identical results as BSPM. The only real differ-ence is that not all channels are being read out simultaneously, i.e. the map-ping is reconstructed from sequentially obtained ECG-Signals. A specific digital signal processing has been developed to synchronize sequentially recorded ECG signals. The resulting data is thus competitive to the “true” parallel BSPM. </p> <b>Benefits:</b>
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Peltier Adsorption Trap
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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