Step Wedges are used in Radiology Quality Control Programs to test x-ray machine sensors and phosphor storage plates. Having a Radiology Quality Assurance Program is an important part of radiology compliance. Texas Dentists: In June 2019 Texas x-ray rule 25 TAC §289.232(j)(14) was updated. It now specifies that users of digital imaging acquisition systems shall follow quality assurance/quality control (QA/QC) protocol for digital imaging established by the manufacturer. If a protocol cannot be established by the manufacturer, it shall be developed and implemented by the registrant (dental office). CLICK HERE FOR MORE TEXAS Specific RADIOLOGY REQUIREMENTS How to Perform a Step Wedge Test: The following steps outline the procedure: Place the step wedge with the steps facing up over a sensor and position the x-ray field over the step wedge. Take an exposure. Record the Date, Sensor Serial #, X-ray machine used, kVp, mA, Exposure time, and Source-to-Image Distance. This information will be necessary to conduct this test in the future. Save this image as the reference image for that X-ray sensor as proof of testing. Remember, you are testing the sensor, not the X-ray machine! Once a quarter or any time that you suspect that there may be a problem with your X-ray system, create another image in the same manner as described above. Compare this image to the reference image. Step wedge images look like a grayscale image with gradual changes from white/light to black/dark. If you notice a change in density (color) of "2 steps", you are alerted that there is a problem and corrective actions should be taken before your radiographs deteriorate in diagnostic quality. Instructional Video: Step Wedge QA/QC Test https://vimeo.com/470172962 To learn more about managing a compliant radiation safety program, check out our Radiation and Laser/Radiation Safety Manuals! www.DentalCompliance.com 817-755-0035 ***This Product is NOT for use with panoramic machines. Check out our Pano Step Wedge product!**** Please allow 3-5 business days for items to be shipped. Our Step Wedge products are composed of 98% aluminum. Note: Please be advised that DCS does not currently offer international shipping services.
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