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Digital Subtraction Angiography - Home (AJR)

781 Digital Subtraction Angiography: Overview of Technical Principles Donald P.Harringto& Lawrence M.Boxt Philip D.Murray Received June8,1982;accepted afterrevision

http://www.ajronline.org/doi/pdf/10.2214/ajr.139.4.781

Date added: July 15, 2014 - Views: 1

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CHAPTER 10. DIGITAL SUBTRACTION ANGIOGRAPHY (DSA) 10.1 ...

DIGITAL SUBTRACTION ANGIOGRAPHY (DSA) 10.1 Introduction In this chapter we will discuss a technique that is known as digital subtraction angiography but which is also referred to as digital radiography, digital fluoroscopy, and photoelectronic imaging.

http://ric.uthscsa.edu/personalpages/lancaster/DI-II_Chapters/DI_chap10.pdf

Date added: January 17, 2012 - Views: 22

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Best Practices in Digital Radiography - American Society of ...

Best Practices in Digital Radiography Tracy L. Herrmann, M.Ed., R.T.(R); Terri L. Fauber, Ed.D., R.T.(R)(M); ... digital subtraction angiography, was introduced in 1977 and put to clini-cal use in 1980. ... ALARA principle in digital imaging.

http://www.asrt.org/docs/whitepapers/asrt12_bstpracdigradwhp_final.pdf

Date added: October 8, 2012 - Views: 22

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Non-subtracted rotational angiography on a multipurpose ...

Rotational angiography The principle In rotational angiography, a series of images is ... Digital subtraction angiography of the right common carotid following carotid endarterectomy. The image is affected by motion artifacts. There is a suspected

http://www.healthcare.philips.com/pwc_hc/main/about/assets/Docs/medicamundi/mm_vol43_no4/mm_vol43_no4_article_nonsubtracted_rotational_angiography.pdf

Date added: February 5, 2013 - Views: 2

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C-arm Cone-beam CT: General Principles and Technical ...

C-arm Cone-beam CT: General Principles and Technical Considerations for Use in Interventional Radiology Robert C. Orth, ... digital subtraction angiography (DSA) and standard fluoroscopy to visualize, manipulate, and intervene on three-di-mensional (3D) structures.

http://www.sirweb.org/clinical/cpg/C-arm_Cone-beam_CT.pdf

Date added: April 8, 2012 - Views: 11

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Update and Trends in Venous (VDSA) and Arterial (ADSA ...

Digital Subtraction Angiography in Neuroradiology G. HUBER and U. PIEPGRAS Institute of Neuroradiology (Director: Prof. Dr. med. U. Piepgras) of the Saarland ... This modality is based on the principle that by computer-assisted

http://link.springer.com/content/pdf/10.1007%2F978-3-7091-7015-1_3.pdf

Date added: July 26, 2014 - Views: 1

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Advances in Digital Radiography: Physical Principles and ...

Introduction A systematic historical overview of the evolution of digital radiography is shown in Table 1. Ex-perimental digital subtraction angiography was

http://atlas.physics.arizona.edu/~kjohns/downloads/scott/advances-in-dr.pdf

Date added: May 20, 2013 - Views: 2

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Digital and Advanced Imaging Equipment

digital subtraction angiography digital x-ray radiogrammetry direct-to-digital radiographic systems dual-energy x-ray absorptiometry F-center fill factor ... † Describe the basic principle of image production from multiformat cameras, laser cameras, dry laser printers,

http://static.crowdwisdomhq.com/asrt/documents/QM_Textbook/Chapter_9_Sample.pdf

Date added: May 17, 2014 - Views: 1

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DELINEATION OF BRAIN AVMs ON MR-ANGIOGRAPHY FOR THE PURPOSE ...

remains the principle imaging modality used for target defini-tion. In the present study, we aimed to compare delineation of ... malformation has been contoured on digital subtraction angiography (pink). All contours were automatically projected

http://www.researchgate.net/profile/William_Vandertop/publication/6611598_Delineation_of_brain_AVMs_on_MR-Angiography_for_the_purpose_of_stereotactic_radiosurgery/file/32bfe50d998cd25125.pdf

Date added: April 19, 2014 - Views: 1

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Neuroradiology: past, present and future - Philips Healthcare

Subtraction was based on the principle of subtracting one radiograph from another so that ... Digital subtraction angiography The basic principles of subtraction had been described by Ziedses des Plantes in 19348, but Fig. 13. Early CT images.

http://www.healthcare.philips.com/pwc_hc/main/about/assets/Docs/medicamundi/mm_vol40_no3/baleria.pdf

Date added: November 29, 2013 - Views: 1

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Chapter Design and rationale of the thesis

More advanced mapping methods are colour duplex sonography (CDS), conventional digital subtraction angiography (DSA), computed tomography angiography (CTA) and magnetic resonance angiography (MRA). CDS relies on the same working principle as HHD.

http://dissertations.ub.rug.nl/FILES/faculties/medicine/2013/s.klein/01_c1.pdf

Date added: November 29, 2013 - Views: 1

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3108online.qxp:Layout 1 7/19/12 10:41 AM Page 1187 ...

described principle. 1 The MFV, PSV, and pulsatility index were recorded, and the correlating waveform was analyzed. ... digital subtraction angiography for the internal carotid, mid-dle cerebral, and anterior cerebral arteries (weighted κ =

http://www.jultrasoundmed.org/content/31/8/1187.full.pdf

Date added: October 16, 2013 - Views: 1

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CEREBRAL ANGIOGRAPHY - Nardinursing's

CEREBRAL ANGIOGRAPHY Why is Cerebral Angiography performed ? The examination is carried out because a disorder of the brain or nearby structure

http://nardinurses.files.wordpress.com/2008/01/cerebral-angiography.pdf

Date added: February 19, 2012 - Views: 3

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Power M-Mode Doppler and Single-Gate Spectral Analysis Using ...

Using the continuity principle, ie, the proximal/distal ICA MFV ratios in predicting a 40% to 59% or greater stenosis and occlusion (Figure 1), an ICA MFV ratio of 1.5 rendered ... phy,7,13 digital subtraction angiography, MR angiography, or

http://stroke.ahajournals.org/content/38/6/1780.full.pdf

Date added: October 16, 2013 - Views: 1

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Computerized Analysis of Digital Subtraction Angiography: A ...

Computerized Analysis of Digital Subtraction Angiography: A Tool for Quantitative In-vivo Vascular Imaging ... Enhancement is based on the principle that opacified vessels are tubular structures and appear darker (or brighter) than their surrounding

http://www.kagadis.gr/Publications/JDI_2008_21_4_433.pdf

Date added: December 31, 2013 - Views: 1

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SCIENTIFIC EXHIBIT Dynamic Subtraction Contrast-enhanced MR ...

Basic Principle Dynamic subtraction MR angiography provides a picture of the vascular lumen by tracking a bolus of paramagnetic contrast agent ... conventional digital subtraction angiography and computed tomographic angiography (27–30). In

http://pubs.rsna.org/doi/pdf/10.1148/radiographics.20.1.g00ja10135

Date added: July 26, 2014 - Views: 1

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Letter to the Editor - Radiological Society of North America

MR digital subtraction angiography in the lower ex-tremity. Radiology 1998; 207:263–269. 5. ... bed contrast-enhanced MR angiography (3-6). The principle of their technique is nearly identical to that of ours (1-6). The subtraction technique increases the

http://pubs.rsna.org/doi/pdf/10.1148/radiographics.20.4.g00jl461113

Date added: May 23, 2014 - Views: 1

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Magnetic resonance angiography of the cerebrovascular system

Magnetic resonance angiography of the cerebrovascular system ... Magnetic resonance angiography (MRA) is a magnetic resonance imaging (MRI) ... et al. Comparison of intra-arterial digital subtraction angiography, magnetic

http://www.australianprescriber.com/magazine/24/6/article/551.pdf

Date added: September 7, 2013 - Views: 2

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CT Angiography and Perfusion CT in Cerebral

CT Angiography and Perfusion CT in Cerebral Vasospasm after Subarachnoid Hemorrhage ... software relies on the central volume principle, ... vestigation of aneurysmal vasospasm with digital subtraction angiography andclinicalfindings.Neurosurgery1999;45:443–50

http://www.ajnr.org/content/28/4/750.full.pdf

Date added: May 20, 2013 - Views: 2

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Quantification of arterial flow using digital subtraction ...

Quantification of arterial flow using digital subtraction angiography Odile Bonnefous Philips Research, Paris 92150, France ... Since the underlying principle of the used algorithm is based on following the contrast modulation, the x-ray acqui-

http://www.dannyruijters.nl/docs/QuantificationArterialFlowDSA.pdf

Date added: September 16, 2013 - Views: 1

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Chapter Review: An overview of methods for vascular mapping ...

38 Digital subtraction angiography (DSA) In traditional angiography, an iodine-containing contrast medium is administered intra-arterially while X-

http://dissertations.ub.rug.nl/FILES/faculties/medicine/2013/s.klein/04_c4.pdf

Date added: November 29, 2013 - Views: 1

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High-Spatial-Resolution MR adiology Angiography of Renal ...

In principle, 3D gadolinium-enhanced MR angiography has potential for assess-ment of the vessel area at the stenosis site, ... renal artery stenosis: digital subtraction angiography versus systolically gated three-dimensional phase-contrast MR

http://pubs.rsna.org/doi/pdf/10.1148/radiol.2352031693

Date added: April 19, 2014 - Views: 1

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Estimation of effective dose in some digital angiographic and ...

able (the ALARA principle). In general, during procedures performed using ... At present, periods of timeanda largenumberof radiographic digital subtraction angiography (DSA) equipment images obtained. Consequently, patient dose is can give diVerent dose values, depending on the

http://www.birpublications.org/doi/pdf/10.1259/bjr.71.841.9534698

Date added: July 26, 2014 - Views: 1

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AFFILIATED INSTITUTIONS - Anna University

Principle and production of soft X – Rays, ... of Angiography and Fluoroscopic Techniques, Image Intensifiers, Single plane and bi plane recording units, digital subtraction angiography, ... Ranjan Parekh, Principles of Multimedia, Tata McGraw Hill Publishing Company, New Delhi, 2006

http://www.annauniv.edu/academic_courses/aff/pg/r2009_ft/docs/MEDICAL%20II.pdf

Date added: October 11, 2013 - Views: 9

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The ONE Guides 4D Neurological Imaging - Toshiba America ...

6 7 The ONE Guides 4D Neurological Imaging Neuro ONE Brain Perfusion Introduction The Neuro ONE scan protocol provides: CT angiography CT venography

http://medical.toshiba.com/downloads/aq-one-club-guide-4d-neuro-imaging

Date added: October 16, 2013 - Views: 1

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Frans Jan H. Hulsmans, MD, of Willis and Intracranial PhD ...

DSA 5 digital subtraction angiography MIP 5 maximum intensity projection MMBE 5 matched mask bone elimination ROI 5 region of interest ... The principle of MMBE is that bone pixels are identified in the nonenhanced data set and that the corresponding pix-

http://pubs.rsna.org/doi/pdf/10.1148/radiology.218.3.r01mr30893

Date added: May 30, 2014 - Views: 1

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EDUCATION EXHIBIT Three-dimensional Contrast-enhanced MR ...

MR Angiography of Aortic Dissection: A Pictorial Essay1 ONLINE-ONLY CME ... DSA digital subtraction angiography, MIP maximum intensity projection, ... In principle, contrast-enhanced MR angiography is similar to CT angiography.

http://pubs.rsna.org/doi/pdf/10.1148/rg.275065737

Date added: May 11, 2014 - Views: 1

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The X-ray Tube - Midwestern State University

The X-ray Tube Tube Housing ... • Most x-ray tubes have a dual filament cathode assembly - also known as dual focus ... – digital subtraction angiographydigital radiography – Cineradiography Anode The Anode is the part of the x-ray tube

http://faculty.mwsu.edu/radsci/gary.morrison/RADS_1513/Chapter_6/The_X-ray_Tube.pdf

Date added: December 28, 2011 - Views: 50

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A Novel Gray-Level Registration Algorithm for DSA Image Based ...

Digital Subtraction Angiography became a new clinical diagnosis and treatment method and was popular rapidly in 1980’s [1]. ... blood vessels, the principle applies to DSA image on condition that the size of template window is appropriate. This is

http://dsp.szu.edu.cn/DSP2006/document/publications/2006/A%20Novel%20Gray-Level%20Registration%20Algorithm%20for%20DSA%20Image%20Based%20on%20Subtraction%20Histogram.pdf

Date added: October 16, 2013 - Views: 1

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Department of Radiology Division of Diagnostic Radiology ...

3.1 Principle and clinical application of ultrasound in evaluation of the abdomen. ... Digital subtraction angiography (DSA) 1.4 Ultrasonography 1.5 Computed tomography 1.6 Magnetic resonance imaging 1.7 Other relating techniques in Nuclear Medicine

http://radiology.md.chula.ac.th/radiology/program/FellowshipKCMH.pdf

Date added: May 5, 2012 - Views: 4

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Intuitiveness, quality and utility of intraoperative ...

The principle contraindication to its use is known iodine hypersensitivity. The ... tive digital subtraction angiography (DSA) or com-puterised tomographic angiography (CTA) and the patient’s neurological outcome. Results There were 30 females and 14 males.

http://www.brain-aneurysm.com/PDF%20publications%20Khurana/Khurana_cerebrovascular_videoangiography_study.pdf

Date added: October 8, 2012 - Views: 2

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Lecture 1 Introduction to Medical Imaging

Lecture 1 Introduction to Medical Imaging BioE594: Imaging Informatics ... – Digital subtraction angiography – Computed tomography ... Principle of Medical Imaging Source Energy Biological sample Detector 1) Attenuated energy

http://proteomics.bioengr.uic.edu/imaging/lectures/bioe594-image_lecture_01.pdf

Date added: September 17, 2013 - Views: 6

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Digital Fluoroscopic Imaging - AAPM: The American Association ...

Digital Subtraction Angiography • Temporal subtraction sequence – First implemented mid 1970’s • Eliminate static anatomy ... integration of digital fluoroscopy in the clinical environment and PACS Summary • Fluoroscopic / Fluorographic

http://www.aapm.org/meetings/03AM/pdf/9834-13948.pdf

Date added: December 20, 2011 - Views: 38

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Detection and Characterization of Intracranial Aneurysms ...

The principle aim of this study was to evaluate the accuracy of MRA in the diagnosis of intracranial ... digital subtraction angiography, with MRA accuracy of 83% in identification of relationship to parent vessel as compared to IA-DSA (Table II).

http://www.jcpsp.pk/archive/2011/Jun2011/02.pdf

Date added: October 16, 2013 - Views: 1

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SURESubtraction CT DSA

digital subtraction angiography (DSA) algorithms, these examinations are performed every day in vascular ... Use the As Low As Reasonably Achievable radiation dose principle to balance factors such as the patient’s condition, size and age; region to be imaged; and diagnostic task.

http://medical.toshiba.com/downloads/rxl-br-suresub-ct-dsa

Date added: April 18, 2014 - Views: 1

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EDUCATION EXHIBIT CT Angiography of RadioGraphics ...

Abbreviations: DSA digital subtraction angiography, dVR direct volume rendering, FOV field of view, ICA internal carotid artery, ... CT Angiography Data The basic principle of 2D and 3D postprocessing is to input cross-sectional images into a computer

http://pubs.rsna.org/doi/pdf/10.1148/rg.243035126

Date added: April 19, 2014 - Views: 1

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VII SEMESTER BIOMEDICAL DIGITAL SIGNAL PROCESSING Subject ...

... Digital subtraction angiography (DSA), 3D reconstruction, Dynamic spatial reconstructor (DSR). ... Digital Image Processing and Computer Vision by Milan Sonka, First ... Principle of light transmission through fiber, Loss and band width limiting

http://stupidsid.com/Syllabus/Engineering/Bangalore/syllabus/BE%20Medical%20Electronics.pdf

Date added: July 11, 2013 - Views: 72

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CT, MR Imaging, and MR Angiography in the Evaluation of ...

This same principle can be applied anywhere along the gray- ... ultrasound and, again, digital subtrac-tion catheter angiography. Overall, most investigators have found a good ... tomographic angiography versus digi-tal subtraction angiography for the

http://www.xray.org/pdf%20files/CT,%20MR%20Imaging,%20and%20MR%20Angiography%20in%20the%20Evaluation%20of%20Patients%20with%20Acute%20Stroke.pdf

Date added: May 10, 2013 - Views: 2

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Digital Projection Radiography - Principles, Imaging and ...

digital subtraction angiography (DSA) for fluoroscopic imaging units. ... Principles of imaging systems for digital projection radiography ... which makes it fundamentally different in principle to digital techniques, which

http://www.dimond3.org/WEB_DIMOND3/Reports/WP%201/part_c_Chapter%20II.pdf

Date added: September 30, 2012 - Views: 2

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Latest techniques in head and neck CT angiography - ResearchGate

digital subtraction angiography (DSA) in the aforemen-tioned pathologic conditions. Unlike DSA and MRA with time-of-flight (TOF) and phase contrast (PC) techniques, ... With the principle parameters such as contrast volume (40–50 ml), injection

http://www.researchgate.net/profile/Bernhard_Schuknecht2/publication/8086595_Latest_techniques_in_head_and_neck_CT_angiography/file/9c960518f7002a9a03.pdf

Date added: June 6, 2014 - Views: 1

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Review Article - Nexus Academic publishers

Principle The basic principle for all the x–ray diagnostics is the ... Digital subtraction angiography Kruger et al. (1977) Computed radiography (CR), storage phosphors Ovit et al. (1980) Cassette–based storage–phosphor

http://nexusacademicpublishers.com/uploads/files/Nexus_451.pdf

Date added: July 26, 2014 - Views: 1

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Image Processing of Two Identical and Similar Photos

The principle of work: is by making geometrically aligns the two processed images—the reference and sensed images. ... in digital subtraction angiography, Pattern Recognition 35 (2002) 2853–2865. J.P. Djamdji, A. Bajaoui, R. Maniere, ...

http://www.iiste.org/Journals/index.php/JIEA/article/viewFile/4159/4162

Date added: May 6, 2014 - Views: 1

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Optimization Research on Weld Image Based on Computed ...

X-ray digital subtraction of the working principle is built on the image subtraction. we can subtract two image which in different conditions ,so the background interference ... Rieder SS J.Basic Concepts of Digital Subtraction Angiography. Bosten: Hall Medical,1984

http://www.ndt.net/article/wcndt2008/papers/34.pdf

Date added: December 14, 2012 - Views: 2

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E- P- Resources Notices Geographic Information Systems and

GIS works on a similar principle. Using GIS, an historian can input data-- even non-cartographic data--about ... cardiologists using digital subtraction angiography, CAT scans and magnetic resonance imaging (MRI) engage in a form of

http://quod.lib.umich.edu/cgi/p/pod/dod-idx/digital-historiography-maps.pdf?c=jahc;idno=3310410.0001.213

Date added: January 17, 2014 - Views: 1

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The Role of Transcranial Ultrasonography - Welcome — UNC ...

on digital subtraction angiography or computed tomography angiography referred to as ‘‘angio- ... with TCDs.41,42 The underlying principle used for TCD estimations of cerebral blood velocity is based on variations of the Bernoulli equation.

http://www.med.unc.edu/neurology/neurocritical-care/docs/SAH/Marshall-The%20role%20of%20transcranial%20Doppler%20ultrasonography%20in%20the%20diagnosis%20and%20management%20of%20vasospasm%20after%20aneurysmal-Neurosurgery%20Clinics%20of%20North%20America-2010.pdf

Date added: May 22, 2013 - Views: 1

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DIPLOMA IN MEDICAL RADIO IMAGINING TECHNOLOGY

digital radiography: principle scanned projection radiography digital subtraction angiography application and definitions of terms. practical will be based on theory. author: jai mata di created date:

http://sriramvidyapeeth.org/Syllabus%20Pdf/DMRIT.pdf

Date added: October 6, 2013 - Views: 6

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Daniel Sciubba, CV - Johns Hopkins School of Medicine

Principle Investigator: Daniel M. Sciubba, M.D. July 2006 – June 2008 6. ... cervical spine hemangioblastomas using three-dimensional fusion digital subtraction angiography. Report of two cases. J Neurosurg Spine. 2006 Jul;5(1):96-100. 9.

http://www.hopkinsmedicine.org/neurology_neurosurgery/cv/d_sciubba.pdf

Date added: May 9, 2013 - Views: 2

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Sonographic NASCET Index: A New Doppler Parameter for ...

Angiography Digital subtraction angiography was performed through a ... According to the principle of mass balance, the net flux at two different points along a single, ... the study, with NASCET-style digital subtraction an-

http://www.ajnr.org/content/26/1/68.full.pdf

Date added: July 8, 2012 - Views: 1

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Computation of Hemodynamics in the Circle of Willis - Stroke

In the circle of Willis, there is a confluence of flow from 3 ... in normal branching situations addressed by the optimality principle. Accordingly, ... phy, and digital subtraction angiography by standard protocols. A

http://stroke.ahajournals.org/content/38/9/2500.full.pdf

Date added: November 29, 2013 - Views: 1

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using Image Fusion during Evar - Endovascular Today

AP digital subtraction angiography run with an injection of 7 mL of contrast medium at 30 mL/sec is ... together with strict adherence to the ALARA principle, also leads to dose reduction. In a recent evaluation of our first 100 aortic endovascular repairs performed

http://www.evtoday.com/pdfs/et0214_F4_Haulon.pdf

Date added: April 19, 2014 - Views: 1