Pulse Wave Transit Time
Estimation of aortic pulse wave transit time in cardiovascular magnetic resonance using complex wavelet cross spectrum analysis
... the transit time required by the flow wave to travel throughout this ...[11], pulse wave transit time (TT) estimation between selected aortic locations remains a challenge ...
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Real time aortic pulse wave velocity measurement during exercise stress testing
... PWV transit time can be estimated using a variety of methods, including time-to-foot, flow-area and cross- correlation ...methods, transit time using the intersection of the baseline ...
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Development of a Wearable Device for Dogs to Determine and Monitor Arousal Levels Using Pulse Transit Time Estimations.
... “the time needed by a pulse wave to exit the heart and reach the PPG measurement site” ...on Pulse Arrival Time (PAT), which is the delay between the R-peak of the ECG waveform and the ...
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Novel blood pressure and pulse pressure estimation based on pulse transit time and stroke volume approximation
... arterial pulse propagation have been pro- posed for DBP, SBP, and MBP estimation, but proposals for PP estimation are ...the pulse wave propagation model with the additional assumption that the ...
20
Doppler ultrasound in the measurement of pulse wave velocity: agreement with the Complior method
... measuring pulse wave velocity and to highlight certain advantages that Doppler has over this reference ...calculating transit time to reduce the variability from the use of manual ...
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Pulse Transit Time and Inspiratory Resistive Load as a Marker for Inspiratory Perception in Children
... as pulse transit time (PTT) has shown its potential in respiratory sleep ...the time taken for the arterial pulse pressure wave to travel from the left ventricular to a ...
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Photoplethysmography and electrocardiography for real time evaluation of pulse transit time A diagnostic marker of peripheral vascular diseases
... The Pulse Transit Time, or PTT, represents the time the pulse wave requires to travel between two different arterial sites ...
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Cuff-Less Continuous Blood Pressure Monitoring System Using Pulse Transit Time Techniques
... difference between two peak PPG signals on same cardiac cycle on the same arterial pathway. These positions were chosen to eliminate the different arrival time of PPG signals due to gravitation [25]. Besides, ...
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Diabetic retinopathy is associated with pulse wave velocity, not with the augmentation index of pulse waveform
... the pulse waveform was defined as the difference between the second systolic peak (caused by wave reflec- tion) and the first systolic peak (caused by left ventricular ...carotid-femoral transit ...
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PPG Signal Detection in Arterial Blood Pressure
... delay time measured from R wave of electrocardiogram (ECG) to base point of Photo PlethysmoGramm ...of pulse oximetri. Describe the PTT which is measured from time of peak of ECG (R) to the ...
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Modeling of Arterial Stiffness using Variations of Pulse Transit Time
... Bramwell-Hill Eq. (1) and the Moens-Kortweg Eq. (2) are the same equations, just with different denotation. Eq (1) is more applicable in medical technology because gives direction relation of quantities V and p. ...
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Regional in vivo transit time measurements of aortic pulse wave velocity in mice with high field CMR at 17 6 Tesla
... The results of this study show that the PWV is mea- surable in vivo in the descending murine aorta using a two-point TT CMR method and an CMR system with a main magnetic field strength of 17.6 T. The measure- ments are ...
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Pulse wave response characteristics for thickness and hardness of the cover layer in pulse sensors to measure radial artery pulse
... wrist pulse diagnosis by employing modern sensors for data acquisition, data processing, and pattern classification ...accurate pulse wave measurements should be prioritized to diagnose diseases or ...
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A dynamic prediction of travel time for transit time for transit vehicles in Brazil using GPS data
... Machine learning methods present some advantages with respect to statistical methods: they are able to deal with complex relationships between predictors that can arise within large amounts of data, are able to process ...
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Evans_unc_0153M_18039.pdf
... [10]. Pulse wave analysis (PWA) is also commonly used in junction with PWV to assess arterial wave reflection and central blood pressure, which has been shown as a better predictor of CVD than ...
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Local pulse wave velocity as a cardiovascular biomarker
... long time to save of the system and the test measurements appeared well enough for the ...reflection pulse wave closer to the bifurcation (see Figure ...
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Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects
... the transit time takes into consideration the spread of the marker capsules position along the gut by looking at the difference of each capsule position from the median capsule position, using this to apply ...
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A prospective observational study comparing a non-operator dependent automatic PWV analyser to pulse pressure, in assessing arterial stiffness in hemodialysis
... whether Pulse Wave Velocity estimated by Pulse Wave Analysis on the brachial artery through a Mobil-O-Graph, a modified sphygmomanometer, is more sensitive for vas- cular aging and arterial ...
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Dating of streamwater using tritium in a post nuclear bomb pulse world: continuous variation of mean transit time with streamflow
... mean transit time of the water varies with the flow rate of the ...Mean transit times through the catchment are 2–5 years dur- ing high baseflow conditions in winter, increasing to 30–40 years as ...
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Study of Micro Droplet Behavior for a Piezoelectric Inkjet Printing Device Using a Single Pulse Voltage Pattern
... single pulse voltage ...acoustic wave theory are used to discuss the effects of operating frequency, positive voltage keeping time and pulse voltage magnitude on the volume and velocity of the ...
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