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                      • Woodland Heights Medical Center Nurses Recognized for Outstanding Care with Prestigious DAISY Awards

                        05.15.2025

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                        05.15.2025

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                      Diagnostic Radiology


                      X-ray or diagnostic radiology covers a wide area of exams. During an X-ray, small amounts of radiation pass through the body and strike a sheet of X-ray film. The thickness of the body part determines the shadowing or contrast and density of the image on the film. Since bone is dense, it does not let much radiation pass through to the film, causing them to appear white on the image. Lungs, which are mostly air, let almost all the radiation pass, resulting in a black area on the film. These areas of varying shades produce an image that allows radiologists (X-ray doctor) to interpret what the inside of the body looks like.

                      Are X-rays safe?
                      While large amounts of radiation may be a health risk, the small amounts used in diagnostic radiology clearly shows the benefits far outweigh the risks. Radiologic technologists and radiologists are trained in radiation physics and radiation biology and strive to administer radiation safety. New advances in equipment and improved film quality have resulted in less exposure per exam.

                      How is barium used?
                      Barium given orally or rectally allows for visualization of the esophagus, stomach and bowel. It is a thick white liquid that is chalky in appearance. Sometimes air is added to see the lining of these structures. Any study utilizing barium is called a fluoroscopic study. When barium is used for any study, the patient must drink extra liquids and take a mild laxative afterward to clear it from the body system.

                      What is X-ray dye?
                      Iodine contrast is sometimes used to visualize certain blood vessels or the urinary system. It may be used to diagnose a blockage in a vessel or a stone in the urinary system. Iodine contrast may be given intravenously (in a vein) or in an artery. Iodine contrast is not painful in most cases, but may cause a warm sensation upon injection. If you have an allergy to iodine, kidney failure, sickle cell disease or diabetes, please inform the technologist before having your exam.

                      What is fluoroscopy?
                      Fluoroscopy is a type of X-ray that allows the radiologist to view the studied body part in "real time." The image is displayed digitally on a high-resolution TV monitor.

                      What other general radiology exams are offered at Woodland Heights Medical Center?

                      • Arteriogram
                      • Arthrogram
                      • Barium enema
                      • Esophagram
                      • Hysterosalpingogram
                      • Intravenous pyelogram (IVP)
                      • Myelogram
                      • Small bowel follow through
                      • Sniff test
                      • Tomograms
                      • Upper GI
                      • Venogram
                      • Voiding cystogram

                      For more information, please call: (936) 634-8311

                      Woodland Heights Medical Center

                      • 505 South John Redditt Drive
                      • Lufkin, TX 75904
                      • P: (936) 634-8311
                      • F: (936) 637-8600

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                      Woodland Heights Medical Center is owned in part by physicians.

                      An AllianceHealth Oklahoma® hospital

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