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To the top To the bottom Introduction Radiologic technologists make and review hundreds of thousands of films daily as part of our routine job performance.
Acquiring an acceptable radiograph or digital image requires knowledge of the anatomy, positioning criteria, radiographic exposure, and other skills. In addition the radiographer must know and meet specific diagnostic imaging criteria in order to provide the radiologists images suitable for interpretation.
A knowledgeable radiographer assesses acquired images as a point of quality control to make sure it meets the diagnostic criteria. No radiographer wants to pass on poorly made radiographs to the radiologist but when hundreds of images are taken daily it is easy to slack and become complacent.
Achieving high quality diagnostic images Critically evaluate how the original special hundreds of different images are taken each day requires a conscious effort to maintain quality.
Radiographers can at one moment make images of the hand and the next moment called upon to image the foot; the next patient may need abdominal or chest imaging. Not to mention the patient has a role in how images are acquired and their cooperation may vary from extremely cooperative to belligerently uncooperative.
Yet the responsibility for achieving a high quality diagnostic image remains with the radiographer. Combining imaging skills with patient skills is truly an artful use of scientific principles and people skills.
Occasionally we must be creative in order to present anatomy in a way that meets the diagnostic criteria. For example, a patient may present with extreme pain caused by trauma.
The patient may have a deformed limb because of a fracture. Immobility of the affected part may require a creative approach without sacrificing image quality. Knowing what is to be included in each view and the proper radiographic exposure technique for optimal subject detail is a must for any discussion on image critique.
As we view images contained in this module we will also address two important issues: Discussions will also include critique of radiographic exposure technique.
For example, a radiograph that is positioned correctly and demonstrates the proper anatomy must also have optimal exposure technique to yield maximum diagnostic value.
The diagnostic criteria for each view in our critique series is given; however, these should already be committed to practice, as this is actually a review of the current standards practiced in radiography. The intent of this learning module is to reaffirm that our universal imaging practices conform to the achievement of specific diagnostic criteria.
It is commonly thought by laypersons and some medical workers that radiographers just put the part on a cassette and exposes it, which is far from the truth about how we acquire diagnostic images.
Likewise, students are often too busy in school to go beyond what the textbook teaches. For example, the textbook may reference the AP hip projection by discussing the positioning of the part and the point of entrance of the central ray CR and degree of tube angle.
Time constraints in the classroom may not have permitted your instructor to discuss film critique in sufficient detail, like the anatomical relationships seen on each radiographic projection.
Now you can take your time and focus on radiographs we commonly image and review each diagnostic criterion. You will notice that this critique takes a simple approach to viewing radiographic images.
First, the anatomy of each part is reviewed, then the diagnostic criteria for the projection are given, and finally, a discussion is made critiquing the radiograph.
This is the template for discussion of each image. Keep in mind that just because a radiograph does not meet all aspects of its diagnostic criteria does not mean it is without diagnostic value.
Sometimes diagnostic criteria are met using a series of images for a particular view. So consider this film critique relative to patient presentation and how we perform clinically. At times, additional views may be necessary to complete a diagnostic criterion.
For example, the proximal femur is adequately displayed, but the acetabulum is underpenetrated requiring the projection to be repeated. The pattern of this critique is that first a radiograph is presented for you to observe. You should jot down your own critique of the radiograph using the diagnostic criteria as a guide.Evaluate Inclusive Practices for Children with Special Needs.
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