About this Program

Recognition of the pathological processes present in your images is key to ensuring a successful imaging exam for trauma radiography. This seminar will introduce the methods and techniques to overcome non-routine challenges in diagnostic radiology.  A major focus will be the inter-relationship of the various imaging modalities and how they clinically complement each other with imaging trauma patients. Select radiographic positions will be discussed as to clinical expectations in order to maximize diagnostic yield in an ALARA fashion and to give the participant a radiologist’s perspective as to the challenges in image interpretation. The speaker will be utilizing a case-based approach in the delivery of these concepts.

What our students are saying:

  • "Excellent presentation a real eye opener. This was urgently needed for my current job status." ~Christopher D.
  • "Awesome seminar. Highly recommend ." ~ Diane W.
  • "I have been to other seminars given by Randy and I have learned something new to take away from each one. Thank you Randy!"~ Cathy G.
  • "Randy Griswold is fantastic!!! He is so knowledgeable and the amount of experience he has and is willing to share with others is quite amazing." ~ Cheryl V.

Educational Objectives

At the completion of this program, attendees will be able to:

  • Outline the critical parameters of acceptable images in non-routine settings.
  • Suggest methods and techniques to overcome non-routine imaging challenges.
  • Analyze medical images for essential information in non-routine situations.
  • Discuss the role of SID and centering when imaging patients in trauma cases.
  • Adapt to unique situations when radiographing patients in non-routine settings.
  • Suggest modifications to routine positions to improve clinical utility in trauma and mobile radiography situations.
  • Explain the concept of silhouette sign and its clinical applications.
  • Discuss the role of fat as a radiographic density in radiographic image interpretation.
  • Identify the five (5) basic radiographic densities on all radiographic images.
  • Analyze acceptable image quality using clinical image identifiers and exposure index values.
  • Appreciate your role as a medical imaging professional in producing optimal images and as a patient advocate.
  • Discuss technological designs as they apply to imaging in trauma situations.


In-person and live webinar options

Thinking Like a Radiologist?

  • Changing role of technologist
  • Nature of trauma
  • Why things show up on radiographs (It’s not what you think!)         
  • Five (5) basic radiographic densities
  • Image contrast using radiographic densities
  • Clinical examples of radiographic densities
  • Principles of image interpretation
  • Mach effect /boundary effect
    • impact of noise on images from an interpretive standpoint
    • methods to assess the noise level on images and how to correct
  • Measures of optimal image resolution in digital world
  • Veil glare
  • Expectation of radiologists
  • Trauma positioning principles (Think outside the box!)
  • Positioning pointers and tricks
  • Role of beam angulation and divergence

Trauma Considerations

  • Trauma equipment designs
  • Digital receptors and trauma cases
  • Positioning considerations
  • Grid challenges
  • Double angles
  • Role of distance
  • Trauma positioning attitudes and rules

Chest Analysis in Trauma Situation

  • Concept of Silhouette Sign
  • Chest analysis strategies
  • Features of a normal chest image series
  • Role of interpretive stripes and lines on images
  • Chest consolidations in trauma
    • fluid
    • atelectasis -  indirect/direct signs
  • Significance of cardiac silhouette
  • Positioning considerations in trauma including image interpretation
  • Pneumothorax (causes and types)
  • Hemothorax
  • Flail chest and rib fractures
  • Pericardial tamponades

Image Analysis in Trauma Setting and Radiologist Expectations

  • Chest trauma analysis including bony thorax
  • Abdomino-pelvic injuries
  • Injuries to the spine
  • Hip and pelvic fractures
  • Positioning considerations
  • “Precious Blood Supply” bones  (Which ones and why)
  • Upper and lower extremity
  • Bone assessment and 12 factors of bone analysis
  • Role of periosteum diagnostically
  • Fracture assessment
  • Importance of multiple views in fx assessment
  • Role of soft tissues and fat in image analysis

Trauma Positioning for Body Parts with Clinical Image Expectations

  • Spine imaging and interpretive considerations
  • Pelvis and interpretive considerations
  • Upper extremity and interpretive considerations
  • Lower extremity and interpretive considerations
  • Shoulder girdle and interpretive considerations
  • Bony thorax and interpretive considerations
  • Abdomen imaging and acute abdominal pain
    • normal KUB features
    • ten (10) factors of KUB interpretation
    • clinical significance of gas patterns
    • bowel obstructions and ascites
    • acute abdomen imaging standards of care (appendicitis, intussusceptions,cholecystitis)
  • Role of CT, US, MR and radiography for suspected abdominal pathologies

Exposure Index (EI) and Deviation Index (DI)

  • EI and target EI (EIT) relationship
  • Deviation index as a professional standard
  • Exposure data errors simulating image pathology
  • Suggestions to correct for gross overexposure
  • Importance of bolus materials and creative beam limitation


Who should attend?

  • Radiologic Technologists
  • Medical Imaging Specialists
  • Educators
  • Vendor Personnel

Program Faculty

Meet your presenter(s)

Randy Griswold

Randy Griswold


Randy has been in the medical imaging profession for over 40 years as an educator, sales and marketing professional and consultant. Currently he is a contributing author and medical imaging consultant. Prior to that, he was the Director of Sales and Marketing for a Midwest distributor of digital medical imaging products. His collective experiences as an educator include being the Program Director for Bellin College, School of Radiologic Sciences and their BSRS program. He was instrumental in transforming their two-year certificate program to a four-year, accredited BSRS degree program.

Randy has 23 years of experience in radiology capital equipment sales, service and support including digital imaging, and has completed his graduate work in Public Service Administration with an emphasis in Health Care Administration and Medical Imaging Marketing. He is a past president of the Wisconsin Association of Educators in Radiologic Technology (WAERT) and the Wisconsin Society of Radiologic Technologists (WSRT) as well as being a Fellow. His passion for teaching is focused on helping technologists understand the importance of obtaining good quality images for diagnosis, in a fashion that uses the skills and techniques of radiologist interpretation.


Accredited training programs

ASRT Category A Credit Information

ASRT Category A

This program provides 8 hour(s) of Category A continuing education credit for radiologic technologists approved by ASRT and recognized by the ARRT and various licensure states.  Category A credit is also recognized for CE credit in Canada.  You must attend the entire program to receive your certificate of completion.  


Convenient payment options available

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Early Pricing Guidelines

Qualifying 'Early' registrations must be made at least 14 days in advance for the program.

Cancellation Policy

Seminars/Webinars 8 hours of credit or more

Refunds, minus a $30 processing fee, will be granted for cancellations received at least 3 days prior to the program. Cancellations received within 3 days of the program will receive a credit toward a future MTMI program, minus the $30 processing fee. No refunds will be made after the program starts. MTMI reserves the right to cancel any scheduled program because of low advance registration or other reasons. MTMI’s liability is limited to a refund of any program tuition paid. MTMI recommends that attendees use refundable airline tickets. In case of cancellation of a program for any reason, MTMI is not responsible for travel costs incurred by attendees including non-refundable airline tickets. When offered, WEBINAR ATTENDEES that cannot log in due to unsolvable technical issues beyond their control will be eligible for a full refund.