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Medical Technology Management Institute

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Mastering the Art of Digital Radiography
Techniques and Positioning in Your Digital World

8 Hours ARRT Category A Credit
Dennis Bowman, RT(R)
About this Seminar
Most digital radiography seminars discuss how the equipment works and the physics behind it. This seminar is designed to give technologists practical knowledge to help them use their CR and DR equipment. With over 250 images and 9 videos, the presentation will feel like a "hands-on" workshop.
This seminar will confront the universal problems and concerns with digital radiography. You will learn why you should be using 15-20 kVp higher and one third the mAs required for film/screen. Little training exists to provide an understanding of the use of a histogram, magnification modes and the Dose Exposure Index (DEI) number. All will be discussed throughout the seminar.
Using film/screen, radiographers once worried about a film being too dark or light, now they need to be concerned about acceptable quantum mottle and over radiating patients. This will lead to a better understanding of how to utilized this new technology to improve the art of radiography and science.
Educational Objectives
At the completion of this seminar,
attendees will be able to:
  • Select appropriate technical factors to optimize image acquisition, consistent with ALARA.
  • Describe at least three different ways to critique a digital image.
  • Discuss the concept of acceptable mottle.
  • Identify what is needed to change the technique chart for digital systems.
  • Describe why a Ferlic Filter is beneficial on a cross table lateral hip view.
  • Explain how to set up a tube at the proper angle for a portable chest.
  • Explain the newest information concerning lead shielding.
  • Explain the legal implications of not marking images, post processing collimation and changing algorithms.
Locations & Dates
Los Angeles, CA Oct 16, 10
Washington, DC Nov 20, 10

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About the Instructor
Dennis Bowman, RT(R)
Dennis has been an active radiologic technologist for over 30 years. He has been employed as a Staff Technologist at the Community Hospital of the Monterey Peninsula in Monterey, California since 1990. He has also been the Clinical Instructor for the Cabrillo College Radiology Program since 1991. With a digital dosimeter and a vast array of body phantoms, Dennis has put in hundreds of hours researching, studying and putting into practice, digital techniques. In addition to the weekly classes he gives his students, Dennis has traveled nationwide lecturing on how best to use and critique digital radiography. As a "shooting tech", Dennis fully understands all the problems techs encounter and is able to help them solve those problems with humor. He is experienced, knowledgeable and brings an enthusiastic teaching style you will enjoy.
Who Should Attend
  • Radiologic Technologists
  • Medical Imaging Specialists
  • Educators
  • Vendor Personnel
Seminar Credit
This program provides 8 hours of Category A continuing education credit for radiologic technologists recognized by the ARRT and various licensure states. A certificate of attendance will be provided for each individual upon completion of the seminar. All attendees must attend the entire seminar to receive full credit.
Seminar Schedule
8:00 am Registration and Coffee
8:30 am Introduction to Digital Radiography
  • What is the new Digital Paradigm
    • - the "new" digital CR Optimum kVp's
    - the latest Universal Digital Technique chart
  • Differences between Indirect, Direct and Film/Screen
    • - direct radiography exposure of the abdomen
    - of QC monitor station uses
    - grid use
  • Corrupted Exposure Index Numbers
    • - thorax phantom experiment
    - elbow phantom experiment
  • Ferlic Filter explanation
  • Cassettes and plates
    • - different pixel sizes
    - erasing plates
  • The first 6 months
    • - things that can and will go wrong
    - our worst mistake
10:10 am Informal Discussion and Break
10:20 am Advanced Principles in Digital Radiography
  • Optimum kVp's
    • - What do mAs and kVp do?
  • How do you critique a digital image?
    • - quantum mottle
    - reading a histogram
  • Automatic Rescaling
    • - skull images from Fuji, Kodak and Agfa
  • mAs dose creep
    • - How much can you over expose?
11:10 am Art of Techniques and the AEC
  • AEC technique strategy
    • - plus and minus density buttons
  • Densities (film and digital)
  • Changing techniques for digital images
    • - mAs is directly proportional
    - kVp is indirectly proportional
    - the 15% rule with chart
    - the 7 1/2 rule
  • Techniques for portables
    • - Inverse Square Law
    - SID's
    - different technique choices in mAs and KvP
  • Extra technique "Good things to know"
12:00 pm Lunch - (on your own)
1:00 pm Positioning Tricks of the Trade
  • The coconut experiement
  • Ribs
  • Trauma oblique C-spine
  • Prone bilateral sunrise
  • Two lengthwise 14x17's for wide abdomen patients
  • PCXR's
    • - using the correct tube angle for all patients
2:40 pm Informal Discussion & Break
2:50 pm Extras
  • Level and windowing in CR and the PACS stations
    • - how markers are changing
    - Bowman Breast Shield
  • How much radiation gets through lead aprons?
    • - chart and graph
3:40 pm Analyzing the Mysteries of Digital Radiography
  • What actually is digital radiography?
  • Universal CR Technique Charts
    • - What is a Universal Technique Chart?
    - What needs to be done to create & use one?
    - How did vendor set up your QC viewer?
    - correct DEI range
  • Making your own technique chart
    • - how to drop the dose for new DEI range
  • Reducing patient dose
    • - increase the kVp and decrease the mAs
    - using a lower DEI range
    - my new version of ALARA
    - acceptable mottle
  • DUKE chest phantom images
    • - how mAs and dose directly correlate
    - how some systems cause anatomy to disappear when over exposed
4:30 pm Adjourn
Registration
All prices are in US dollars *

 ♦ AmountEarlyReg Door
Technologist   
MTMI Members171.00161.00179.00
Non-Members189.00179.00199.00
Edmonton, AB   
MTMI Members219.00199.00219.00
Non-Members239.00219.00239.00

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Group discount for a group from one facility registering at the same time: 3-5 attendees 5%; 6 or more attendees 10%.
Group discounts for MTMI Institutional Members can be as high as 25%, please contact MTMI for details (discount is not applicable if the tuition is paid by purchase order). For student rates, contact MTMI. Members of MTMI receive a discount. Only one discount may be applied.

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Last modified: April 12 2010 11:50:01.  Top | Back

 
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