Notes on radiological examinations: Radiological examinations (fluoroscopy, radiographs, imaging, CT, etc.) are carried out in the radiology department. A. Notes on X-ray fluoroscopy Liu Yunxi, Department of Radiology, Yichang Third People’s Hospital Fluoroscopy is simple and inexpensive, and can observe the activity of human organs and obtain a diagnostic report on the spot. It is commonly used to examine the lungs, heart vessels, acute abdomen, metal birth control rings, etc. The patient must take off the thicker clothes, remove the jewelry (such as necklace, jade pendant, etc.) and remove the plaster. Listen to the doctor’s orders, turn the body position and deep breathing exercises. X-ray films are commonly used for heart and lung, bone and joint, and acute abdominal diseases. Patients should fully expose the film site and remove necklaces, plasters and other out-of-body objects. After the doctor has positioned the patient, do not move the body position and obey the order until the end of the film exposure. The patient’s position movement or breathing movement will affect the image quality and the correct diagnosis of the disease. D. Precautions for barium gastrointestinal examination 1.No drugs containing metals (such as calcium tablets, etc.) from three days before the examination. 2, the general examination takes several hours, please wait patiently, do not eat anything without the doctor’s consent, and do not leave. A small number of patients with full GI examination must also be rechecked in the afternoon of the same day. 3.It is best to wear underwear without buttons during the examination. Barium enema examination precautions 1, three days before the examination can only enter less residue, semi-liquid diet (lotus root powder, porridge, rotten paste noodles) or liquid (rice soup, broth, etc.). 2. Drink 500-1000 ml of water from 1-3 pm the day before the examination. 3.Take laxative (senna 6g) with boiling water at 6pm the day before the examination. 4.Drink 500ml of water every hour from 7-10pm on the day before the checkup for a total of 1500ml. 5. At 6:00 a.m. on the day of the examination, no diet is allowed except for 200 ml of sugar water. Make a clean enema at 8 or 10 a.m., and make a barium enema 2 hours later. 5.CT examination precautions 1.For enhanced scan of various parts and abdominal scan, fast at least four hours before the examination. 2. For abdominal examination, barium meal will not be performed within one week before the examination, and drugs containing metal are prohibited. 3.Please bring the results of the tests that have been done for backup, such as X-ray, isotope, ultrasound, liver function, nail fetus and the film and report of any CT examination that has been done. 4.Before the pelvic organ examination, you should hold urine to fill the bladder and perform contrast enema, female patients must fill the vaginal plug. 5, the thoracic and abdominal organs scan, the patient should be trained to breathe, the scan shall be breath-holding. 6, before the examination should be removed from the scanning site ornaments.