three dimensional echocardiography system
Ablation lesions in Koch's triangle assessed by three-dimensional myocardial contrast echocardiography
... A custom-designed ECG- and respiratory-gated pullback device and a 3D-ultrasound workstation (EchoScan, TomTec GmbH, Munich, Germany) were used to acquire and process the ICE images using a technique described ...
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Feasibility of real-time three-dimensional stress echocardiography: pharmacological and semi-supine exercise
... 3D echocardiography two studies showed that RT3D dobu- tamine SE showed similar sensitivity as 2D dobutamine echo for the detection of myocardial ischemia ...echo system showed a trend toward a better ...
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Three-dimensional transesophageal echocardiography of the atrial septal defects
... Imaging acquisition was carried out with a multiplane 5- MHz TEE transducer connected to commercially available equipment (system Sonos 5500, Philips Electronics, Koninklijke, N). Images were acquired with the ...
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Utility of Real Time three dimensional echocardiography in Balloon Mitral Valvuloplasty.
... 2D echocardiography is still the gold standard for evaluating mitral stenosis during BMV, measurement of mitral valve area relics largely on the experiences of the observers, which at times may be inaccurate and ...
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Assessment of left ventricular function by three-dimensional echocardiography
... 3D system has been developed by Von Ramm et ...this system (Volumetric Medical Imaging). This system makes use of a sparse matrix phased array trans- ducer of 512 elements to scan a 60° × 60° ...
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Percutaneous closure of interatrial communications in adults – prospective embolism prevention study with two- and three-dimensional echocardiography
... USA) echocardiography system with a S4 transducer using the harmonic mode (transmitting fre- quency of ...FIVE system (General Electric- Vingmed Ultrasound, Horton, Norway) with a 5 MHz multiplane ...
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Incremental value of advanced cardiac imaging modalities for diagnosis and patient management : focus on real-time three-dimensional echocardiography and magnetic resonance imaging
... iE33 system (Philips Medical Systems, ...required. Three-dimensional (3D) model of the LV is generated and subdivided in 17 wedge shaped (apart from the apex) ...
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Three Dimensional Echocardiography a Novel Technique for Rheumatic Mitral Valve Stenosis Evaluation.
... An adaptation of the double-balloon technique uses a monorail approach to deliver two balloons across the mitral valve over a single guide wire. The first valvuloplasty balloon with a short monorail segment is passed ...
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Quantitative analysis of left atrial function in asymptomatic patients with b-thalassemia major using real-time three-dimensional echocardiography
... this system was 40 ...pler echocardiography from the apical 4-chamber view by positioning the sample volume at the tips of the mitral valve, and the E/A ratio was subsequently ...
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Utility of Real Time Three-dimensional Echocardiography in Post Myocardial Infarction Ventricular Septal Rupture.
... Then the "full volume" program was used (picture 1). With a standard apical 4-chamber view, we adjusted the ventricular septal rupture to the center of the screen, then opened the full-volume button, asked the ...
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Original Article Study of right ventricular function with preserved left ejection fraction by three-dimensional speckle tracking in uremic patients undergoing peritoneal dialysis
... real-time three-dimensional echocardiography (RT3DE) to character- ize early abnormalities of right ventricular (RV) structure and function with preserved left ventricular (LV) ejection fraction (EF) ...
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Combined flow based imaging assessment of optimal cardiac resynchronization therapy pacing vector: a case report
... Current three-dimensional color Doppler-based methods require the operator to trace the area of color flow and use electrocardio- graphically gated three-dimensional echo over an ac- quisition ...
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The Effect of Ablation for Paroxysmal Atrial Fibrillation on Left Atrial Volume and Function: A One Year Follow Up Study
... Each patient underwent a complete standard echocardio- graphic study using a Vivid 7 apparatus (GE Medical sys- tems, Milwaukee, WI, USA) with a 2.5-MHz phased array transducer, and electrocardiograms were analyzed ...
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Real-time three-dimensional transthoracic echocardiography in daily practice: initial experience
... A total of 30 cases with suspicious and/or definitive diagnosis of septal defects by 2D-TTE were evaluated by RT3D-TTE. RT3D-TTE could rule out septal defects in three cases and proved the diagnosis of ASD in 18 ...
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Quantitative two dimensional echocardiography
... It has been demonstrated that the red blood cells are responsible for the scattering of medical frequency ultrasound by blood Reid et al., 1969.. Exactly which part of the red blood cell[r] ...
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Two dimensional echocardiography A New technique in clinical pratice
... Two dimensional echocardiography A New technique in clinical pratice Med J Malaysia Vo! 36 No 1 March 1981 TWO DIMENSIONAL ECHOCARDIOGRAPHY A NEW TECHNIQUE IN CLINICAL PRACTICE M A SIDEK NONTAK INTROD[.] ...
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Three Dimensional Transesophageal Echocardiography as a Predictive Tool to Assess the Outcome of Mitral Valve Plasty
... With internal validation, the model was able to predict a ring size equal or with one size difference in 26 cases (93%) and exact in 14 cases (50%). In three cases the prediction differed two ring sizes in ...
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Visually estimated ejection fraction by two dimensional and triplane echocardiography is closely correlated with quantitative ejection fraction by real-time three dimensional echocardiography
... two-dimensional echocardiography (2DE) and triplane echocardiography (TPE) using quantitative real-time three-dimensional echocardiography (RT3DE) as the reference ...
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Generation of three-dimensional human neuronal cultures: application to modeling CNS viral infections
... We have developed a reproducible procedure to differenti- ate hiPSCs into 3D neuronal cultures in a 96-well plate format that can be used to model CNS infections or gen- etic contributions to neurological diseases. This ...
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Three-Dimensional Indoor RFID Localization System
... The Time of Arrival (TOA) method is based on a theoretical propagation model of an RF signal. The distance between two points can be determined if the travel time of the signal between them is measurable. Then, the ...
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