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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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Image Warping for Accurate Digital Subtraction Angiography

Digital subtraction angiography is a routine X-ray pro-cedure for observing vasculature. In DSA, an X-ray image of ... In principle, only the opacified vasculature should be visible in a DSA. How-ever, in practice, ...

http://www.aaai.org/Papers/Symposia/Spring/1994/SS-94-05/SS94-05-024.pdf

Date added: August 31, 2014 - Views: 1

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Intravenous Angiography UsingDigitalVideo Subtraction

angiography using video subtraction techniques hasbeen explored atseveral institutions, allusingthesamegeneral principle withsomevariations inequipment andtechniques [3-7]. ... Theanalog-digital converter isahighspeedconverter capable

http://www.ajronline.org/doi/pdfplus/10.2214/ajr.135.6.1141

Date added: August 31, 2014 - Views: 1

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Impact Of Digital Subtraction Angiography On Carotid Evaluation

Impact Of Digital Subtraction Angiography On Carotid Evaluation DAVID C. ANDERSON M.D., GREGOR, GY. FISCHER M.D, . SUMMARY Impac of digitalt substraction angiograph by intravenouy s injection (DSAV) was examined

http://stroke.ahajournals.org/content/16/1/23.full.pdf

Date added: May 20, 2013 - Views: 1

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Digital subtraction angiography ininfants andchildren ...

Thusdigital subtraction angiography is a viable alternative to biplane cineangiography for children with congenital heart disease. Digital subtraction angiography is now well estab-lished asameansofvascularimagingintheadult. Its

http://heart.bmj.com/content/51/5/485.full.pdf

Date added: December 31, 2013 - Views: 1

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Dynamic Tomographic Digital Subtraction Angiography Using

Dynamic Tomographic Digital Subtraction Angiography Using Temporal Filtration1 ... Index terms: Digital subtraction angiographv. instrumentation Radiology 147:8o3-867, June 1983 ... principle upon which this processing

http://pubs.rsna.org/doi/pdf/10.1148/radiology.147.3.6342037

Date added: August 31, 2014 - Views: 1

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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/us_en/about/assets/Docs/medicamundi/mm_vol43_no4/mm_vol43_no4_article_nonsubtracted_rotational_angiography.pdf

Date added: March 10, 2014 - Views: 1

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

commercially available C-arm CBCT units employ digital flat-panel detec-tors, the flat-panel detector term will not be explicitly stated. ... digital subtraction angiography in planning treatment of intracranial an-eurysms. European Radiology 2000; 10:

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

Date added: April 8, 2012 - Views: 11

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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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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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Microdroplet Tracking Using Biplane Digital Subtraction ...

Microdroplet Tracking Using Biplane Digital Subtraction Angiography for Cerebral Arteriovenous Malformation Blood Flow Path and Velocity Determinations Stephen Rudin, ... The droplet transit times, however, can in principle have some variability depending on which path a given droplet follows

http://www.ajnr.org/content/20/6/1110.full.pdf

Date added: December 31, 2013 - Views: 1

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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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WholeBodyIntravenousDigitalSubtractionAngiography1

Anewtypeofintravenous digital sub-traction angiography using anextralarge field size isreported. ... NTRAVENOUS digital subtraction an-r giography (DSA) asamethod of ... ‘ description ofthe principle ofthis sys-temcanbefound elsewhere (1).The im-

http://pubs.rsna.org/doi/pdf/10.1148/radiology.156.3.2862660

Date added: August 31, 2014 - Views: 1

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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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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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Dynamic Spin Labeling Angiography in Extracranial Carotid ...

BACKGROUND AND PURPOSE: Similar to digital subtraction angiography, dynamic spin labeling angiography (DSLA) ... This principle of simultaneously sampling multiple inver-sion times was first introduced by Look and Locker for fast T1 FIG 1.

http://www.ajnr.org/content/26/5/1035.full.pdf

Date added: October 16, 2013 - Views: 1

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Magnetic resonance angiography of the cerebrovascular system

principle that flowing protons entering a slice of tissue possess full longitudinal magnetisation and therefore high ... et al. Comparison of intra-arterial digital subtraction angiography, magnetic resonance angiography and duplex ultrasonography for measuring carotid artery stenosis. Br J Surg ...

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

Date added: September 7, 2013 - Views: 3

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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 | Nursing care problem ...

What Happens during Cerebral Angiography THE PRINCIPLE The test outlines the arteries and veins of the brain and nearby organs, ... digital subtraction angiography: a review of 112 consecutive examinations. AJNR Am J Neuroradiol 1995; 16:307-318.[Abstract]

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

Date added: February 19, 2012 - Views: 3

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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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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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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?origin=publication_detail

Date added: August 31, 2014 - Views: 1

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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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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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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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Detection and Characterization of Intracranial Aneurysms ...

Digital subtraction angiography (DSA). Magnetic resonance angiography (MRA). Intracranial aneurysm. 1 Department of Radiology, Sharif Medical City Hospital, Lahore. 2 Department of Radiology, Children Hospital, Lahore. ... The principle aim of this study was to evaluate the

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

Date added: October 16, 2013 - 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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CLASS-BASED NONLINEAR ENHANCEMENT STRATEGY AND ITS VALIDATION ...

Digital subtraction angiography (DSA) is a well-established modality for the visualization of blood vessels in the human body [1]-[4]. ... Section 2 discusses the principle of the enhancement method. The experiment setup is presented in Section 3.

http://www.actapress.com/Abstract.aspx?paperId=44013

Date added: August 31, 2014 - Views: 1

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Lecture 1 Introduction to Medical Imaging

Digital subtraction angiography – Computed tomography ... Imaging Modalities in the EM Spectrum. Principle of Medical Imaging Source Energy Biological sample Detector 1) Attenuated energy 2) Contrast X-ray Gamma rays Radio waves

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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Review Article - Nexus Academic Publishers (NAP)

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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The X-ray Tube - Midwestern State University

The X-ray Tube Tube Housing ... – digital subtraction angiographydigital radiography – Cineradiography Anode The Anode is the part of the x-ray tube where accelerated electrons move to after ... The Line-Focus Principle cont. 7 The Anode Heel Effect

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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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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Principles of endoluminal intervention for arterial disease

Digital subtraction angiography allows images to be obtained with a lower radiation dose and using less contrast medium than other imaging modalities. ... Principle: transluminal angioplasty involves positioning the balloon in the middle of the

http://www.surgerynz.com/page0/styled-5/files/endoluminal-intervention.pdf

Date added: August 31, 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 by R C Gonzalez & R E Woods, 2e, ... 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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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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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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CT, MR Imaging, and MR Angiography in the Evaluation of ...

This same principle can be applied anywhere along the gray-white matter borders, ... correlation with digital subtraction an-giography. Further distinction oc- ... tal subtraction angiography for the diagnosis and early treatment of rup-tured intracranial aneurysms.

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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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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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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DSA Image Fusion Based on Dynamic Fuzzy Logic and Curvelet ...

Digital subtraction angiography [2], an electronic technique for imaging blood vessels, is useful in diagnosing arterial occlusion, including carotid artery stenosis and pulmonary artery thrombosis, and in detecting renal vascular disease.

http://ojs.academypublisher.com/index.php/jmm/article/download/0403129136/1272

Date added: October 3, 2013 - Views: 1

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Bifurcation geometry and the presence of cerebral artery ...

The angles of arterial bifurcations are governed by principles of work minimization (optimality principle). This determines the relationship between the angle of a bifurcation and the radii of the vessels. ... digital subtraction angiography • computer-assisted image processing D J. Neurosurg.

http://thejns.org/doi/pdf/10.3171/jns.2004.101.1.0108

Date added: April 19, 2014 - Views: 1

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AFFILIATED INSTITUTIONS - Anna University

Principle and production of soft X – Rays, ... digital subtraction angiography, dental X- ray units. UNIT II TOMOGRAPHY 9 ... Ranjan Parekh, Principles of Multimedia, Tata McGraw Hill Publishing Company, New Delhi, ...

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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132 - ADI Media

Angiography Equipment Brand Model Special Features Allengers DSA 4015AM (Digital Subtraction Angiography System) Mobile type latest technology, HF x-ray generator (5KW) in oil bath (mono ... principle, a patented technology of Diagnostica Stago, France.

http://www.adi-media.com/PDF/MB/GB/Who.pdf

Date added: November 2, 2011 - Views: 87

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Vascular Sonography/ Technology - SDMS Home Page

Vascular Sonography/ Technology Jean M. Beckner, MHS, RT(R) ... Bernoulli principle..... 9 6. Reynolds number ... Conventional and digital subtraction angiography ..... 129 2. Digital subtraction arteriography ...

http://www.sdms.org/store/ProductAttachmentHandler.ashx?ProductID=13&AttachmentType=2

Date added: July 5, 2013 - Views: 2

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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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Multislice CT Angiography

Multislice CT Angiography ... In principle, endovascular therapy ... rax, abdomen). Hence pre-operative imaging is of paramount importance. While intra-arterial digital subtraction angiography (DSA) represents a selective intervention and provides for high spatial resolution, it

http://www.european-hospital.com/media/article/2104/Multislice_CT_7_2005.pdf

Date added: October 16, 2013 - Views: 1