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Radiation Use & Safety

Oregon regulation requires that individuals who operate x-ray equipment must have adequate training in Radiation Safety.  This is a 24 hour course and meets the requirements for certification.  The content of this course has been approved by the State of Oregon, Radiation Protection Services and Imaging Resources, Inc. is licensed by the State of Oregon, Radiation Protection Services to provide this course.

Richard S. Kay, PhD, RT(R)(M), FASRT, CRadP, MSRP of Imaging Resources, Inc. will be presenting this certified course in radiation safety.   This multi-media course is presented expressly for veterinary technicians in the State of Oregon and as a review for veterinarians. 

(Section 333-106-055)  Copied from:  http://www.oregon.gov/oha/ph/healthyenvironments/radiationprotection/pages/rules.aspx


(1)  The registrant shall assure that individuals who will be operating the X-ray equipment by physically positioning patients or animals, determining exposure parameters, or applying radiation for diagnostic purposes shall have adequate training in radiation safety.

 (a) Radiation safety training records shall be maintained by the registrant for each individual who operates X-ray equipment. Records must be legible and meet the requirements in OAR 333-120-0690.

 (2)  Adequate training in radiation safety means X-ray operators have completed an Authority approved radiation use and safety course.

 [3, 4, & 5 Not Applicable]

6) At a minimum, an Authority approved training course shall cover the following subjects:

(a) Nature of X-rays:

    (A) Interaction of X-rays with matter;

    (B) Radiation units;

    (C) X-ray production;

    (D) Biological effects of X-rays; and

    (E) Risks of radiation exposure.

(b) Principles of the X-ray machine:

    (A) External structures and operating console;

    (B) Internal structures:

        (i) Anode; and

        (ii) Cathode.

    (C) Operation of an X-ray machine;

    (D) Tube warm up;

    (E) Factors affecting X-ray emission:

        (i) mA;

        (ii) kVp;

        (iii) Filtration; and

        (iv) Voltage waveform.

(c) Principles of radiation protection:

    (A) Collimation;

    (B) Types of personal protection equipment and who must wear it;

    (C) ALARA;

    (D) Time, distance, shielding;

    (E) Operator safety;

    (F) Personal dosimetry:

        (i) Types of dosimetry;

        (ii) Proper placement of dosimetry; and

        (iii) Situations that require dosimetry.

    (G) Occupational and non-occupational dose limits.

(d) Radiographic technique:

    (A) Factors affecting technique choice:

        (i) Thickness of part;

        (ii) Body composition;

        (iii) Pathology; and

        (iv) Film versus computed radiography (CR) and digital radiography (DR).

    (B) How to develop an accurate chart;

    (C) Low dose techniques;

    (D) Pediatric techniques (does not apply to veterinary); and

    (E) AEC Techniques.

(e) Darkroom:

    (A) Safelights;

    (B) Chemical storage;

    (C) Film storage; and

    (D) Darkroom cleanliness.

        (f) Image processing:

    (A) Automatic film processing;

    (B) Dip tank film processing;

    (C) Computed radiography (CR) processing; and

    (D) Digital radiography (DR) processing.

(g) Image critique:

    (A) Reading room conditions;

    (B) Light box conditions;

    (C) Image identification;

    (D) Artifacts;

    (E) Exposure indicators for CR and DR;

    (F) Technical parameter evaluation; and

    (G) Positioning evaluation.

(h) Veterinary X-ray use (for veterinary courses only):

    (A) Types of animal restraints;

    (B) Small animal versus large animal;

    (C) Film holders; and

    (D) Portable X-ray machine safety

(i)  Applicable federal and state radiation regulations including those of portions of Chapter 333, divisions 100, 101, 103, 106, 120, and 124.


 Please click here for the Schedule


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