What You Need to Know About X - ray Examinations
I. Purpose of the Examination
II. Types of X - ray Examinations
A. Routine X - ray Examinations
Chest X - ray Examination: This is one of the more common X - ray examinations and can be used to assess the lungs, heart, and chest wall.
Abdominal X - ray Examination: It can display images of the inside of the abdominal cavity, providing information about the stomach, liver, intestines, and spleen. When checking the kidneys, ureters, or bladder, it is sometimes called a KUB X - ray examination.
Bone or Joint X - ray Examination: X - ray examination is one of the relatively simple methods for diagnosing fractures or joint dislocations. Depending on the specific situation, X - rays may be taken of body parts such as the ankle, wrist, spine, leg, arm, or skull.
B. Routine Radiography with Contrast
Angiography: This X - ray - based examination can provide information about different blood vessels in the body, such as the presence of abnormally enlarged arteries (aneurysms). Before the angiography, you need to have the contrast agent injected into an artery.
Intravenous Pyelogram or Cystogram: When conducting an X - ray examination of the urinary system, the contrast agent is injected into a vein. The images may show structural abnormalities of the kidneys.
Contrast - enhanced Abdominal X - ray Examination: Depending on the part of the gastrointestinal tract being studied, you can take the contrast agent orally or via enema.
C. Other X - ray Technologies
Mammography: This is an X - ray technique specifically used to obtain images of the breasts and is often used for the early detection of breast cancer. It uses a low - dose X - ray.
Fluoroscopy: Unlike traditional X - rays, which produce a single image, fluoroscopy provides a continuous stream of X - rays and images, allowing the visualization of organs in motion. For example, in what is called an upper gastrointestinal series, fluoroscopy can help identify abnormalities in the gastrointestinal tract.
Computed Tomography (CT): It uses X - ray radiation to provide a detailed three - dimensional view of a part of the body, such as the abdomen. Compared with traditional X - rays, it is more expensive and less convenient.
III. Working Principle
IV. Pre - examination Preparation
V. Examination Process
VI. Post - examination Precautions
VII. Risks and Preventive Measures
A. Radiation Risk
B. Pregnancy Risk
C. Contrast Agent Risk
VIII. Key Points for Examination Preparation
IX. Examination Results and Interpretation
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