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| RADIOLOGY
WEBSITES :
Doppler
Sites |  |
Few
Useful Websites on Doppler
Ultrasonography
1.
ATL
Protocol Guides at
http://www4.medical.philips.com/Education/ProtocolGuides/ProtocolGuides.asp
is a collection of downloadable guides in PDF format that provide basic protocol
information on a range of sonographic and Doppler exams. The basic material available
comprises of cardiology, musculoskeletal, men’s and women’s health. Expectedly,
the vascular section of the protocol downloads are the largest with ten items
available. These include ICA Stenosis, Lower Extremity Arterial Stenosis, Renal
Artery Stenosis, Venous Imaging, Intraoperative Color Duplex, Transcranial Doppler,
and Dialysis Access Graft Imaging . Adobe Acrobat Reader is needed to view these
files.
2. Biosound Esaote at http://www.biosound.com/literature.html
offers the material on Doppler in Adobe®. The material includes Duplex and
Color Flow Evaluation of the Liver, Duplex and Color Flow Evaluation of Mesenteric
Ischemia, Venous Imaging of the Lower and Upper Extremities Arterial, and Carotid
Duplex Imaging Protocol.
3.
Applied
Radiology at
http://www.appliedradiology.com/
has an assortment of downloadable articles on the clinical application of Doppler
sonography. A mandatory free registration is now required to view the full
text of Applied Radiology articles. Some of the interesting articles related to
Doppler include Doppler sonography of the hepatic vasculature - November 2000,
Changing principles of cerebrovascular Doppler interpretation - February 2000,
Transcranial Doppler: Practical applications in pediatrics - April 1999, A common-sense
approach for diagnostic imaging of carotid vascular disease - July 1997, Sonography
of the transplanted kidney - May 1997 and Imaging of ovarian malignancies - October
2000.
4.
Carotid
Duplex Imaging: Protocol and Technique at
http://www.biosound.com/CME/CarotidProtocol/carotid_duplex.html
is authored by Gail Size, and Dan Meibers. The protocols and techniques are illustratively
described. The high resolution images may take several minutes to download, but
is worth the effort.
5.
Applications Of Transcranial Doppler Ultrasound at http://www.medana.unibas.ch/eng/tcd/tcd0.htm
is a concise and comprehensive web page covering an important and an emerging
area in clinical practice. The site builds up the topic commencing with chapters
on Doppler ultrasound in medicine, Cerebral hemodynamics, the history of Transcranial
Doppler. Also, the physical principles of Doppler and spectral analysis as well
as the examination techniques are illustrated. Significantly, material on Window
search, Artery identification, Normal values, Doppler parameters and Cerebral
arterial blood flow velocity and cerebral blood flow are also depicted.
6.
Aachen Guide to Head & Neck Sonography
at http://www.klinikum.rwth-aachen.de/webpages/Hno/sonography/USGuideMainPage.html
has been created by Dr. Peter Jecker and Prof. Martin Westhofen. This site has
material on basic Doppler techniques as a part of Head and neck sonography. Additionally,
the site has a variety of material on the application of USG in otolaryngology.
Some of the interesting topics include Sonoanatomy of the normal head and neck
, Benign head and neck masses, Tumors of the floor of the mouth, the tongue and
the pharynx, Head and neck lymph nodes. Also, there is an "Alphabetical index
of the Head and Neck cases" available at http://www.klinikum.rwth-aachen.de/webpages/Hno/sonography/USGuideAlphabet.html
7. Introduction
to Echocardiography and Introduction to Doppler at
http://www.echoincontext.com/basicDoppler.asp
are "monographs produced for beginners to get a quick overview of echo and
Doppler". This material, which was originally published by Medi-Cine and
distributed by Ciba-Geigy / ICI, has principally four parts : Part I Principals
of Doppler Echocardiography and the Doppler Examination ; Part II Doppler Evaluation
of Valvular Regurgitation ; Part III Doppler Evaluation of Valvular Stenosis;
Part IV Doppler Color Flow Imaging. Some of the material is downloadable too.
8. An
Atlas of Intracardiac Flow Imaging is
accessible at http://mbi.dkfz-heidelberg.de/mbi/sfb414/usheart/3d_doppler/page1.html
This material though aimed at the Cardiologists has some useful images on the
application of Doppler in vascular conditions.
9. Non-Invasive
Arterial Testing is a part of the Basic Radiology Imaging Lectures http://medicine.creighton.edu/radiology/Noninvarttest.html
The contents include Resting Segmental Pressures, Basic Principles, Qualitative
Wave-Form Analysis, Duplex Ultrasound Imaging with Color Flow and Quantitative
Pulsed Doppler velocity measurement
10. Noninvasive Evaluation of
Peripheral Arterial Disease at http://ej.rsna.org/ej3/0079-98.fin/doppler.htm
is a basic primer on non invasive imaging by a group of authors from San Francisco
VA and Los Angeles VA Medical Centers. The site has diagrammatically approached
the topic covering areas
such as
Hemodynamics at http://ej.rsna.org/ej3/0079-98.fin/hemodynamic.htm
and
Techniques at http://ej.rsna.org/ej3/0079-98.fin/technique.htm
Interestingly, Video Clips augmenting the material are available
at
http://ej.rsna.org/ej3/0079-98.fin/video1.htm Endpiece Power
Doppler Ultrasound in neonates is an elegant and concise material available
at http://utenti.tripod.it/bartox/power_doppler_neonatology-2.htm
The material has been authored by Marco Bartocci from Department of Neonatology,
Gaslini Institute, Genoa, Italy.
A
basic slide presentation on Ultrasound and Doppler slides by Susan M. Blanchard
is accessible at http://www.bae.ncsu.edu/bae/courses/bae465/1999/slides/ultrasound/index.htm
Also, Renal Artery Duplex is dealt at http://www.vtmednet.org/vascular/rad.htm
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