spectral Doppler flow velocity
Spectral analysis of blood velocity in the human fetus
... List of Figures 1 Various Stages 2 Fully Developed 3 Doppler Velocity 4 Doppler Velocity Waveform Negative Flow 5 Aliasing of a Doppler Velocity Signal 6 Aliasing 7 Power Spectral 8 Vari[r] ...
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Normal Echocardiographic Findings in Healthy Pigeons
... wave spectral Doppler was used and blood flow velocity, pressure gradient and VTI parameters were measured in cardiac valves of ten pigeons without apparent cardiac ...wave spectral ...
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Clinical Use of Ultrasound in Obstetrics
... color flow imaging provides a limited amount of information over a large region, and spectral Doppler provides more detailed information about a small region, the two modes are complementary and, in ...
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Quantitative assessment of harmonic power doppler myocardial perfusion imaging with intravenous levovist™ in patients with myocardial infarction: comparison with myocardial viability evaluated by coronary flow reserve and coronary flow pattern of infarct-related artery
... performed Doppler measurements of LAD flow veloc- ity by TTDE within 24 hours after successful recanaliza- ...tion. Doppler echocardiographic examinations were performed with an SONOS 5500 digital ...
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The Murmur of Dynamic Subortic Stenosis Recognition Through A Novel Graphic Display
... sound spectral pattern, mani- festing a sharp and high frequency peak occurring late in systole, often bearing a striking resemblance to the subaortic Doppler flow ...of spectral and waveform ...
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Power spectral density of velocity fluctuations estimated from phase Doppler data
... of velocity data using P/DPA on a realistic human airway model using monodispersed micron-size particles suspended in air flow (Jedelsky et al ...same flow and using our arbitrary data acquired by ...
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Stab wound of the superficial femoral artery early diagnosed by point-of-care Doppler ultrasound
... turbulent flow on color Doppler ...On spectral Doppler, common femoral artery and superficial femoral artery proximal to the hematoma showed a high velocity low- resistance profile ...
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Impact of overweight on left ventricular function in type 2 diabetes mellitus
... A: late diastolic atrial wave velocity; BMI: body mass index; DM: diabetes mel‑ litus; E: early diastolic trans‑mitral flow wave velocity; e ′ : spectral pulsed‑wave Doppler‑derived ear[r] ...
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... Spectral Doppler criteria used in similar earlier studies have revealed that adenomyosis had a higher PI and RI and a lower Vmax of intratumural vessels than the outer feeding vessels of ...blood ...
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Positive effect of dapagliflozin on left ventricular longitudinal function for type 2 diabetic mellitus patients with chronic heart failure
... DICOM: digital imaging and communications in medicine; E: early diastolic trans‑mitral flow wave velocity; e′: spectral pulsed‑wave Doppler‑derived early diastolic velocity from the se[r] ...
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Review Article Three-dimensional color power Doppler as an imaging technique in cancer
... Pulsed Doppler spectral analysis and color Doppler imaging enable the evaluation of blood vessel distribution, tumor blood flow, and quantitative measurement of blood flow ...
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Turbulent flow as a cause for underestimating coronary flow reserve measured by Doppler guide wire
... the flow velocity meas- urements of the study patients are summarized in Table ...The flow velocity was measured in 23 patients (31 %) in the right coronary artery (RCA), in 18 patients (35 %) ...
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Fetal Doppler versus NST as predictor of adverse perinatal outcome in severe PIH and IUGR
... Results: In the group with abnormal NST but normal velocimetry, there were more women underlying caeserean delivery for fetal distress . Those with normal NST had 50% caeserean rate and 40% required NICU admission, ...
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Arterial flow patterns in healthy transitioning near-term neonates
... PDA flow (if any) decreased significantly from being present in 20/21 infants during Time 1 and 2 to 7/19 infants at Time 3 (table ...PDA flow pattern was small left-to-right flow over the first two ...
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Importance of Angle Correction in the Measurement of Blood Flow Velocity with Transcranial Doppler Sonography
... increased flow ve- locities when these conditions are present or sus- pected should prompt further imaging with other technologies, particularly if therapeutic decisions hinge on criteria based on ...
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Short Communications: Blood Flow Velocity in Microvessels of the Gill Filaments of the Goldfish (Carassius Auratus L )
... Velocity measurements of blood flow in the capillary and vein using a laser Doppler microscope.. Radiological observations on the cardiovascular system in AnguUla anguilla.[r] ...
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Graves' Disease Thyroid Color Flow Doppler Ultrasonography Assessment: Review Article
... Thyroid Doppler US has gained an important role in initial study and GD follow up. Thyroid gland ultrasound examination performed in high frequency equipment (over 10 MHz) and by an experienced operator is able to ...
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Cranial Ultrasonographic Application in Preterm Baby as a Predictive for White Matter Insult
... CBF velocity in the anterior cerebral artery, recorded by transranial Doppler ultrasound, using the anterior fontanelle as acoustic ...the velocity of circulating red blood cells in the vessel ...
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Impaired Dynamic Cerebrovascular Autoregulation in Adolescent Concussion
... Blood Flow Study: Using a head strap, a small probe that emits ultrasound waves (transcranial Doppler ultrasound) will be held against your head just behind your ...blood flow to your ...
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Hemodynamic evaluation of the right portal vein in healthy dogs of different body weights
... The assessment of PBFV is important, since the main portal vein is responsible for carrying, on average, 75% of the total blood received by the liver [5]. The present study showed that the right intra-hepatic portal vein ...
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