peak velocities
Evaluation of 4D Vascular Flow and Tissue Perfusion in Cerebral Arteriovenous Malformations: Influence of Spetzler Martin Grade, Clinical Presentation, and AVM Risk Factors
... higher peak velocity and blood flow in the feeding arteries compared with normal contralateral ...higher peak velocities and blood flow in compar- ison with low-grade ...
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Patient Specific 3D Simulation of Cyclic CSF Flow at the Craniocervical Region
... with this wave were compared with a simulation in which the pressure wave had a short systole and longer diastole. The asymmetric wave resulted in higher maximal flux and greater bidirectional flow but little change in ...
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In utero origin of sex-related differences in future cardiovascular disease
... decreased peak systolic velocity of the pulmon- ary artery along with a lower pulsatility index of the umbilical artery in male ...lower peak systolic vel- ocity in the aorta and a reduced pulsatility index ...
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Reference values for fetal tissue velocity imaging and a new approach to evaluate fetal myocardial function
... longitudinal peak velocities of septum showed a linear increase with gestational age, as did the peak velocities of the left and right ventricular free wall, except for the peak ...
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The characteristics of the spectra of superior venae cavae in patients with right heart failure
... The peak velocities and VTI of S wave and D wave overlapped in two groups, but their respiratory variation ratios mostly diminished significantly in patient group, and it could be the evidence of right ...
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Validation of two accelerated 4D flow MRI sequences at 3 T: a phantom study
... higher peak velocities compared to the ones calculated from the measured flow volumes of the pump reference in both accelerated 4D flow and in the 2D flow ...of peak flow velocities from the ...
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Peak CSF Velocities in Patients with Symptomatic and Asymptomatic Chiari I Malformation
... CSF velocities at the foramen magnum does not significantly add to the differenti- ation of symptomatic and asymptomatic patients with Chiari ...CSF velocities below the fo- ramen magnum will improve the ...
5
Simultaneous quantification of myocardial and blood flow velocities based on duplex mode ultrasound imaging
... The performance of the method was evaluated using synthetic B-mode septum tissue mimicking image sequences (see Appendix A for calculation details). Matlab code (ver- sion 2011b, Mathworks, Nattick, MA, USA) for ...
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Peak Systolic and Diastolic CSF Velocity in the Foramen Magnum in Adult Patients with Chiari I Malformations and in Normal Control Participants
... increased peak velocities in the patients compared with the control ...of velocities is hampered by the low spatial resolution of the technique and by the destructive interference of spin phases ...
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Three-dimensional kinematic motion analysis of a daily activity drinking from a glass: a pilot study
... the peak velocity occurred earlier compared to the forward transport phase, thus indicating that placing the glass back on the table required more ...for peak velocities in different phases, time to ...
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Biomechanical Characteristics of Elite Female Australian Rules Football Preferred and Non-preferred Drop Punt Kicks
... Practically, as foot velocity is strongly correlated to drop punt kick distance (Ball, 2008, 2011; Peacock and Ball, 2017) and used as a strategy to control the kick outcome (Peacock et al., 2017). A focus on improving ...
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Applied tracers for the observation of subsurface stormflow at the hillslope scale
... Applied tracers, especially dye tracers, have been used in streamwater and groundwater hydrology for over a 100 years (K¨ass, 1998). Obvious advantages of dyes are – in certain concentration ranges – their visibility and ...
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Early right ventricular systolic dysfunction in patients with systemic sclerosis without pulmonary hypertension: a Doppler Tissue and Speckle Tracking echocardiography study
... myocardial velocities at the basal level of the RV free wall. Peak myocardial isovolumetric con- traction velocity (IVV), peak myocardial systolic velocity (Sm), peak early and late diastolic ...
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Cardiac systolic regional function and synchrony in endurance trained and untrained females
... measure peak systolic velocity off-line (s 0 , cm/s) from standard four-chamber, three-chamber and two-chamber apical views, with a frame rate of 89 – 184 ...
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Modal analysis of high frequency acoustic signal approach for progressive failure monitoring in thin composite plates
... two peak frequency from dispersion curve (Figure 1b); 37 kHz (flexural wave, A o ) and 100 kHz (extensional wave, S o ) and each corresponding group velocities, the ...
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Effects of a Patent Ductus Arteriosus on Postprandial Mesenteric Perfusion in Premature Baboons
... SMA velocities and a significant decrease in the relative vascular resistance by 10 minutes after the feed- ing (compared with determinations made before the feeding) (Fig ...the velocities and relative ...
8
Assessment on blood flow velocity using doppler technique for circulatory system diagnosis at left ventricle (LV) of the heart
... The results are expected the quantitative blood inflow and outflow velocity of left ventricular heart associated the ECG signal. The Excel as the analysis software is used to obtain the value of between the mitral inflow ...
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Importance of Angle Correction in the Measurement of Blood Flow Velocity with Transcranial Doppler Sonography
... METHODS: Eighteen patients (median age, 53 y; age range, 22–72 y) who satisfied qualifying criteria (eg, angiographically revealed unilateral MCA stenosis of $ 50%) were selected from 149 consecutive patients enrolled in ...
5
High Pressure Hugoniot Measurements in Solids Using Mach Reflections
... high velocities, the material can be driven to the point of plastic deformation and the description of the response becomes much more ...high velocities can result in extreme pressures that can exceed the ...
135
Evaluation of Angiopoietin 2 Serum Level as a Marker of Cardiovascular Risk in Children with Chronic Kidney Disease
... and peak systolic velocities of the big arteries, it revealed: significant in- crease in inter ventricular septum in diastole (IVSd cm) in patients on hemodialysis compared to their controls and shows ...
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