X-ray marker
X-ray Marker
X-ray markers, also known as radiographic markers or anatomical side markers, are tools used in radiology to indicate various information on the X-ray images.
Pronunciation
X-ray Marker: /ˈeksˌrā ˈmärkər/
Etymology
The term "X-ray" was coined by Wilhelm Conrad Roentgen, a German scientist who discovered X-rays in 1895. The term "marker" comes from the Old English word "mearc", which means boundary or sign.
Usage
X-ray markers are used to indicate the patient's right or left side on the radiograph. They are also used to mark the position of the patient and the date of the examination. Some markers also include the radiographer's initials for identification purposes.
Types of X-ray Markers
There are several types of X-ray markers:
- Anatomical side markers: These indicate the right or left side of the patient.
- Position markers: These indicate the position of the patient, such as supine (lying face up) or prone (lying face down).
- Date markers: These indicate the date of the examination.
- Initial markers: These include the radiographer's initials.
Related Terms
- Radiology: The science dealing with X-rays and other high-energy radiation, especially the use of such radiation for the diagnosis and treatment of disease.
- Radiograph: An image produced on a sensitive plate or film by X-rays, gamma rays, or similar radiation, and typically used in medical examination.
- Roentgen: The unit of exposure dose of X-rays or gamma rays.
External links
- Medical encyclopedia article on X-ray marker
- Wikipedia's article - X-ray marker
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