• recordings
  • The pandemic also left its suppress on Southern popular culture, with at least a dozen references to Jake Tramp' in commercial phonograph recordings sooner than jazz musicians of the time. (wgc2010.sk)
  • Multi-channel electrical recordings of physiologically generated signals are common to a wide range of biomedical fields. (readbyqxmd.com)
  • pulse
  • Bio-Optics:Optical Measurement of Pulse Wave Transit Time. (wiley.com)
  • Only the combination of (i) a low-flip angle excitation which leaves unused longitudinal magnetization for an immediate next excitation with (ii) the acquisition of a gradient echo which does not need a further radio-frequency pulse that would affect the residual longitudinal magnetization, allows for the rapid repetition of the basic sequence interval and the resulting speed of the entire image acquisition. (wikipedia.org)
  • FLASH reduced the typical sequence interval to what is minimally required for imaging: a slice-selective radio-frequency pulse and gradient, a phase-encoding gradient, and a (reversed) frequency-encoding gradient generating the echo for data acquisition. (wikipedia.org)
  • Physiological data are displayed continuously on a CRT, LED or LCD screen as data channels along the time axis, They may be accompanied by numerical readouts of computed parameters on the original data, such as maximum, minimum and average values, pulse and respiratory frequencies, and so on. (wikipedia.org)
  • One monitor would track a patient's blood pressure, while another would measure pulse oximetry, another the ECG. (wikipedia.org)
  • Methods used to detect beats include: ECG, blood pressure, ballistocardiograms, and the pulse wave signal derived from a photoplethysmograph (PPG). (wikipedia.org)
  • radio-frequency
  • It is a gradient echo sequence which combines a low-flip angle radio-frequency excitation of the nuclear magnetic resonance signal (recorded as a spatially encoded gradient echo) with a rapid repetition time. (wikipedia.org)
  • In terms of MRI, signals with different spatial encodings that are required for the reconstruction of a full image need to be acquired by generating multiple signals - usually in a repetitive way using multiple radio-frequency excitations. (wikipedia.org)
  • The generic FLASH technique emerges as a gradient echo sequence which combines a low-flip angle radio-frequency excitation of the NMR signal (recorded as a spatially encoded gradient echo) with a rapid repetition of the basic sequence. (wikipedia.org)
  • In response, the FDA issued a final guidance to manufacturers that highlighted and discussed radio frequency wireless technology considerations affecting safe and effective use of such devices. (cardiovascularbusiness.com)
  • For instance, an international team demonstrated that they could induce an erratic heart beat at a close distance with radio frequency electromagnetic waves. (cardiovascularbusiness.com)
  • waveform
  • ECG is considered superior because it provides a clear waveform, which makes it easier to exclude heartbeats not originating in the sinoatrial node. (wikipedia.org)
  • epilepsy
  • Our work exhibits the importance and viability of a self-improving and user adapting computer-assisted EEG analysis system for diagnosing epilepsy which processes each channel exclusive to each other, along with the performance comparison of different machine learning techniques in the suggested system. (hindawi.com)
  • medical
  • Modern medical display devices commonly use digital signal processing (DSP), which has the advantages of miniaturization, portability, and multi-parameter displays that can track many different vital signs at once. (wikipedia.org)
  • The body area network field is an interdisciplinary area which could allow inexpensive and continuous health monitoring with real-time updates of medical records through the Internet. (wikipedia.org)
  • real
  • Most recently, highly undersampled radial FLASH MRI acquisitions have been combined with an iterative image reconstruction by regularized nonlinear inversion to achieve real-time MRI at a temporal resolution of 20 to 30 milliseconds for images with a spatial resolution of 1.5 to 2.0 millimeters. (wikipedia.org)
  • An apparatus for monitoring EKG information includes a programmable apparatus carried by an ambulatory patient for performing continuous, real-time analyses of EKG information derived from the patient. (google.com)
  • The aim of this work was to develop, validate, and demonstrate the practical utility of a high-quality, low-cost 32/64-channel bioamplifier system with real-time wireless data streaming capability. (readbyqxmd.com)
  • patient
  • The valve member controls the flow of fluid to the patient in response to a control signal. (google.de)
  • 5. The ventilator of claim 1, wherein said valve means comprises a first valve connected to said source and operative to open and close in response to said control signal and a second valve connected to said first valve and to said patient and operative to allow said fluid to pass therethrough at a fixed flow rate. (google.de)
  • If an emergency is detected, the physicians will immediately inform the patient through the computer system by sending appropriate messages or alarms. (wikipedia.org)
  • wherein
  • 2. The ventilator of claim 1, wherein said control signal is a digital word of M bits in length. (google.de)
  • wherein said controller is connected to receive said heart signal, said flow rate signal and said pressure signal, and wherein said control signal is generated in response to said heart signal, said flow rate signal and said pressure signal. (google.de)
  • System
  • EEG-Based Brain-Computer Interface System. (wiley.com)
  • The tests were then conducted with saline solution flowing through the circulatory system of the artificial cadaver, according to Denis Foo Kune, PhD, a postdoctoral researcher at the University of Michigan Computer Science and Engineering Division's Computer and Privacy Research Group in Ann Arbor, who participated on the team. (cardiovascularbusiness.com)
  • This system is based on taking discrete wavelet transform (DWT) of the signals epochs which are then reduced using principal component analysis, and then they are fed into a classifier. (hindawi.com)
  • mechanisms
  • EMD helps for analyzing the underlying mechanisms of control processes, including cardiorespiratory coupling and interactions among organ systems at multiple time scales. (omicsonline.org)
  • monitor
  • If the memory further has stored therein pressure information it is desireable to include a first monitor for generating a heart signal, a second monitor for generating a lung flow rate and a third monitor for generating a lung pressure signal. (google.de)
  • usually
  • The repetition time is usually much shorter than the typical T1 relaxation time of the protons in biologic tissue. (wikipedia.org)
  • This heart rate variation is associated with Mayer waves (Traube-Hering-Mayer waves) of blood pressure and is usually at a frequency of 0.1 Hz or a 10-second period. (wikipedia.org)
  • In some cases, local municipalities will provide the service directly, usually through a full-time staffed fire department. (wikipedia.org)
  • body
  • Kune and others are looking at the trustworthiness of using physiological signals like heart beats to exchange keys between devices on a patient's body. (cardiovascularbusiness.com)
  • A three-dimensional map of the probability of brain or heart functional states is obtained based on electric or magnetic signals, or a combination of both measured in the surface of body. (google.de)
  • OBJECTIVE
  • The guidance specifically examined considerations for design, testing and use of ICDs and other devices and described design process documentation and objective evidence the agency expects in premarket submissions. (cardiovascularbusiness.com)
  • Research
  • Neural network research stagnated after machine learning research by Minsky and Papert (1969), who discovered two key issues with the computational machines that processed neural networks. (wikipedia.org)
  • Neural network research slowed until computers achieved far greater processing power. (wikipedia.org)
  • send
  • Interneurons send activation signals through efferent neurons to effector (muscle or neuroendocrine) cells to initiate a physical response. (alanmacy.com)
  • means
  • a programmable controller, connected to said valve means, for generating said control signal, said programmable controller comprising a memory in which fluid flow rate information has been stored and a microprocessor connected to said memory, said controller being operative for determining a desired flow rate of said fluid in relation to said flow rate information and for generating said control signal in relation to said flow rate. (google.de)
  • data
  • Advancement in signal processing and machine learning techniques is making it possible to automatically analyse EEG data to detect epochs with epileptic patterns. (hindawi.com)
  • brain
  • One approach focused on biological processes in the brain while the other focused on the application of neural networks to artificial intelligence. (wikipedia.org)
  • multiple
  • For a long time, it was assumed, primarily on the basis of the work of Moe et al 2 and Allessie et al, 3 that AF in patients was due to random propagation of multiple reentrant wavelets over the atria. (ahajournals.org)
  • pressure
  • In such a situation it is preferred for the controller to be connected to receive the heart signal, the flow rate signal and the pressure signal, and for the control signal to be generated in response to such signals. (google.de)
  • High-frequency (HF) activity has been found to decrease under conditions of acute time pressure and emotional strain and elevated state anxiety, presumably related to focused attention and motor inhibition. (wikipedia.org)
  • point
  • Longer duration of prospective follow-up will be required to determine at what time point improvements in the other frequency bands occur. (biomedsearch.com)
  • At this point in time, the inside of the neuron's membrane becomes more negative than the outside. (alanmacy.com)
  • technique
  • Depending on the desired contrast, the generic FLASH technique provides spoiled versions that destroy transverse coherences and yield T1 contrast as well as refocused versions (constant phase per repetition) and fully balanced versions (zero phase per repetition) that incorporate transverse coherences into the steady-state signal and offer T1/T2 contrast. (wikipedia.org)
  • The technique is revolutionary in shortening MRI measuring times by up to two orders of magnitude. (wikipedia.org)
  • control
  • A programmable controller, connected to the valve member, generates the control signal for the valve member. (google.de)
  • The controller is operative to determine a desired fluid flow rate in relation to the flow rate information and for generating the control signal in relation to the flow rate signal. (google.de)
  • communication
  • Extending the technology to new areas could also assist communication by seamless exchanges of information between individuals, or between individual and machines. (wikipedia.org)
  • either
  • In either case, repetition times are as short as 2 to 10 milliseconds, so that the use of 64 to 256 repetitions results in image acquisition times of about 0.1 to 2.5 seconds for a two-dimensional image. (wikipedia.org)
  • Taking into consideration that these signals can coax either synergistic or competition effects, the integration of their effects would fruit in neuroendocrine and behav- ioral responses with remarkable outcomes. (wgc2010.sk)
  • component
  • In individuals with post-traumatic stress disorder (PTSD), HRV and its HF component (see below) is reduced whilst the low-frequency (LF) component is elevated. (wikipedia.org)