X-ray marker
Encyclopedia
X-ray Markers, also known as, max markers, Pb
Lead
Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

 markers, lead
Lead
Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

 markers, x-ray
X-ray
X-radiation is a form of electromagnetic radiation. X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz and energies in the range 120 eV to 120 keV. They are shorter in wavelength than UV rays and longer than gamma...

 lead markers, or radiographic film identification markers, are used to mark x-ray films, both in hospital
Hospital
A hospital is a health care institution providing patient treatment by specialized staff and equipment. Hospitals often, but not always, provide for inpatient care or longer-term patient stays....

s and in industrial workplaces (such as on aeroplane parts and motors
Engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

). They are used on radiographic images to determine anatomical side of body. Most X-ray markers consist of a right and a left letter with the technologist
Radiologic technologist
A radiologic technologist, also known as medical radiation technologist and as radiographer, performs imaging of the human body for diagnosis or treating medical problems...

's initials. There are also available of markers to indicate positioning of the body e.g. supine, or as to time when performing procedures such as an Intravenous pyelogram
Intravenous pyelogram
An intravenous pyelogram is a radiological procedure used to visualize abnormalities of the urinary system, including the kidneys, ureters, and bladder.-Procedure:...

.
Radiologic Technologist
Radiologic technologist
A radiologic technologist, also known as medical radiation technologist and as radiographer, performs imaging of the human body for diagnosis or treating medical problems...

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