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ARRT Registered Radiologist Assistant - Blogs Sample Questions

What projection best identifies a Barton fracture?





Correct Answer:
lateral (lateromedial) projection of the wrist


the most effective radiographic projection for identifying a barton fracture is the lateral (lateromedial) projection of the wrist. this projection provides a clear view of the distal radius where barton fractures occur. barton fractures are characterized by a fracture of the distal radius with dislocation of the radiocarpal joint.

a barton fracture specifically involves the posterior lip of the distal radius, which is best visualized on a lateral projection of the wrist. this projection allows clinicians to assess the alignment and integrity of the radius and ulna in relation to the carpal bones. it is particularly helpful in distinguishing between different types of fractures that may appear similar on other projections but have different treatment protocols.

for example, in lateral projection, a barton’s fracture can be differentiated from other wrist fractures like colles’ fracture or smith’s fracture, which also involve the distal radius but differ in terms of the direction of displacement and the involvement of the wrist joint. a colles' fracture results in dorsal angulation, while a smith's fracture leads to volar angulation. in contrast, a barton's fracture involves a fracture-dislocation, highlighting the importance of this specific projection for accurate diagnosis.

in summary, when suspecting a barton's fracture, a lateral (lateromedial) projection of the wrist is indispensable. it provides critical information on the orientation and extent of the fracture and any associated joint involvement, which are crucial for effective treatment planning and management. other projections, such as the pa or oblique views, may not provide the same level of detail about the posterior aspect of the distal radius as the lateral view does.

When preparing a conscious trauma patient for an imaging procedure, the technologist should:





Correct Answer:
Use good eye contact

patients who have sustained trauma have extreme levels of anxiety and are in pain from the injuries. in some trauma cases, the patient will be conscious. therefore, they can hear the technologist talking to them. as a result, for patients who are conscious, the technologist should not shout at the patient or just assume the patient is unable to hear, talk or respond.

instead, the technologist should use effective communication techniques, such as talking calmly to the patient and look directly at the patient to establish eye contact while talking. further, for patients who are conscious, the technologist should explain the procedure to the patient and provide breathing instructions for the imaging procedure. proper communication will prevent increased anxiety in the patient.

also, when dealing with a trauma patient, the technologist should identify if the patient has any items or artifacts that may affect the radiographic image. before removing patient items, the technologist should always tell the patient why he or she is removing the items and follow the facility’s procedures for storing the patient's items, including patient valuables. for example, the technologist may seal the patient’s watch, rings, or necklaces in a labeled (with the patient’s name and identification number, etc.) plastic container.


Additional Blogs for ARRT - American Registry of Radiologic Technologists dfgdfgdfg

In your journey to get ARRT Registered Radiologist Assistant certified it is important for you to have all information related to your exam. So we have pulled together a list of additional blogs that may be of interest to you because that are all related to the American Registry of Radiologic Technologists.

Exam Edge Blogs for ARRT - American Registry of Radiologic Technologists