Post-processing of photography

In digital radiography, the most basic consideration is to obtain images that meet the diagnostic requirements.

The process of digital X-ray photography detection;

1, stand by. Intestinal preparation should be made in advance for abdominal plain film examination of patients with non-acute abdomen (cleaning enema or taking laxatives the night before); During abdominal, pelvic and lower spine radiography, patients should be asked whether they have done relevant radiography in the near future to avoid the contrast agent covering the examination site.

2, clothing and dressing processing. The inspected part can wear a thin cotton-padded jacket, and other items that can cause artificial artifacts can be removed.

Step 3 choose a movie. Select the appropriate film (size and type) and intensifying screen (spectrum, sensitizing rate, granularity, etc.). ) according to the shooting position and inspection situation; The two-stage photography should be based on the anatomical position, so that the images are in the same direction up and down, which is convenient for reading and comparison.

4. mark. Accurately mark the information of the client (X-ray film number, inspection date, orientation, etc.). Wait. ).

5. Measure body thickness and train breathing movements.

6. Set the photography position. Set the position correctly as required, aim at the center line, and adjust the shooting distance and irradiation field.

7. Draw up and adjust the photographic conditions. According to the thickness and tissue structure of the photographed part, the appropriate tube voltage, tube current and exposure time are selected.

8, after review and correct exposure.

9. Post-processing of photography. After photography, remove the X-ray tube and assist the examinee to leave the photographic table; Fill in the photo sheet; Film printing.

Matters needing attention in digital radiography:

1, for uncooperative patients, such as infants and comatose patients, they need to be sedated or anesthetized before they can be examined.

2. The inspector needs to remove the metal and high-density items on the body surface of the inspection site, such as earrings, necklaces, bras, buttons, belts, mobile phones, wallets, keys and other metal-containing clothes, so as not to interfere with the image.

3, inspectors should listen to the guidance of technical personnel, stick to their posts, try to stay still until the inspection is completed; Chest and abdomen examination should keep breathing steady or hold your breath as required. If there is any discomfort or abnormality during the inspection, it is necessary to inform the scanner through the intercom in time.

4. Enhanced scanning, that is, the inspector who injected contrast agent should be accompanied by his family. After the inspection, observe 10 ~ 15 minutes. If there are no adverse reactions, you should leave, and pay attention to whether there are delayed adverse reactions after leaving. If there is any discomfort, they should go to the hospital in time. Drink more water and urinate more after enhanced examination to promote the excretion of contrast media in the body.

5. Avoid doing such inspection many times in a short time to avoid excessive accumulation of radiation.

6, for non-inspection parts (especially genitals, thyroid and other parts), lead clothing can be used for protection.