Wave Alternans
Analysis of the Q T Dispersion and T Wave Alternans in Patients with Epilepsy
... T wave alternans incidence and Q-T dis- persion anomalies are different from that of other seizure types, as absence sei- zure is more often the temporal lobe ...
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Detectability of T Wave Alternans in ECG Signal by Principle Component Analysis Method
... electrical wave of the ECG & it is created when your heart ...T Wave alternans test can show tiny differences in the T-wave from heartbeat to ...T-wave alternans (TWA) is a ...
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Ambulatory ECG-based T-wave alternans and heart rate turbulence can predict cardiac mortality in patients with myocardial infarction with or without diabetes mellitus
... T-wave alternans physiological basis, methods of measurement, and clinical utility – consensus guideline by international society for holter and noninvasive ...
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The roles of mid-myocardial and epicardial cells in T-wave alternans development: a simulation study
... T-wave alternans in a computer-generated human heart model by modulating the action potential duration and amplitude during the first part of the repolarization ...intracardiac alternans patterns of ...
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Application of T Wave Alternans in Evaluation of Prognosis in Patients with Intracerebral Hemorrhage
... Objective: To explore the application value of electrocardiograph (ECG) T-wave Alternans (TWA) anomaly in acute stage of intracerebral hemorrhage pa- tients. Methods: We choose 1175 intracerebral hemorrhage ...
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A combined algorithm for T-wave alternans qualitative detection and quantitative measurement
... T-wave alternans (TWA) provides a noninvasive and clinically useful marker for the risk of sudden cardiac death ...the alternans signal as a stationary wave with a constant amplitude and a ...
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A Unified Framework for Delineation of Ambulatory Holter ECG Events via Analysis of a Multiple-Order Derivative Wavelet-Based Measure
... Heart is a special muscle which its constitutive cells (myocytes) possess two important characteristics namely as nervous excitability and mechanical tension with force feedback. The superposition of all myocytes ...
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Prediction of the mechanical response of cardiac alternans by using an electromechanical model of human ventricular myocytes
... transient alternans, which are a function of pacing ...age-driven alternans shows steep APD restitution slope, and calcium-driven alternans is related to two factors: one is the release of calcium ...
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51f78b9b5aa522d2fe6e0fdc469ee0af465a6f58.pdf
... Transmural electrodes: In 7 experiments, transmural distribu- tion of ST-T wave alternans (STTA) was determined by insert- ing 1 or 2 5-pole needle electrodes at the center of the ischemic zone. The 5-pole ...
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Vol 11 (2017)
... including heart rate turbulence (HRT) and microvolt T-wave alternans (mTWA). [1, 7, 8-10] Microvolt TWA has been described as a useful predictor of cardiac events in patients with various ischemic and ...
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Observation of dominance of swells over wind seas in the coastal waters of the Gulf of Mannar, India
... significant wave height in this area is com- parable to that along the coastal waters of the Indian sub- continent, but the annual maximum value ( ∼ ...model wave height and the measured ...
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Evaluation of Brainstem Auditory Evoked Potential in Children of 1-3 Years with Receptive Language Disorder
... To compare data, Student’s t-test was applied. The level P < 0.05 was considered as the cutoff value or significance.For qualitative parameter (i.e, sex), Fisher Exact test was done. The statistical analysis was done ...
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Factors controlling the mobility of shingle beaches, with particular reference to the north Kent coast
... The term 'surge' is used to describe any deviation from the normal astronomical tide, which has resulted from weather conditions. Such deviations include barometric effects, external surges generated in the North ...
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Curvelets, wave atoms, and wave equations
... (e.g., wave guides), the upscaled timestepping algorithm has lower complexity compared to the standard spectral or pseudospectral methods, especially when the spatial discretization is ...
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Ocean wave energy resource assessment hotspots, exceedance persistance, and predictability : a thesis presented in partial fulfilment of the requirements for the degree of Master of Applied Science in Natural Resource Engineering at Massey University
... Three aspects of the wave resource are established; mapping of wave energy hotspots due to wave focusing, visualisation of the probability of wave energy exceedance and persistence, and [r] ...
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Computer model on linear wave propagation
... i) Wave theory adopted in this study is based on linear wave theory developed by Airy, which include wave length, wave celerity, group velocity, orbital velocity, wave energy, and ...
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Ocean Wave Model and Wave Drift Caused by the Asymmetry of Crest and Trough
... e kc seems strange. As for the slope-dependent factor, the estimation of Stokes drift is done by Taylor expansion around the particle’s equilibrium which requires a small wave slope δ . Though the application of ...
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Development of Auditory Function in Newborn Infants Revealed by Auditory Brainstem Potentials
... The time difference between the various components (i.e., waves III minus wave I, wave IV-V minus wave III, or wave IV-V minus wave I) can be used as a measure of maturation of the centr[r] ...
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Wave propagation at the imperfect boundary between two fluid saturated incompressible porous solids
... Figures (2)-(5) show the variations of the amplitude ratios of reflected P-wave, reflected SV-wave, transmitted P- wave and transmitted SV-wave with angle of incidence of incident ...
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Reflective Metasurface for Vortex Wave Generating and Divergence Reducing in X-Band
... vortex wave with a metasurface in X-band is presented in this ...vortex wave can be effectively generated with the metasurface in the wideband from 8 GHz to 12 ...vortex wave is ...vortex wave ...
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