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fat, organs and blood vessels.
Fluoroscopy - is a medical procedure that makes a real-time video of the movements
inside a part of the body by passing x-rays through the body over a period of time.
Magnetic resonance imaging (MRI) - The MRI machine is a large, cylindrical (tube-shaped) machine that creates a strong
magnetic field around the patient and sends pulses of radio waves from a scanner.
Mammography - is an x-ray imaging method used to examine the breast for the early
detection of cancer and other breast diseases.
Nuclear medicine - Uses radioactive material inside the body to see how organs or tissue are functioning
(for diagnosis) or to target and destroy damaged or diseased organs or tissue (for
treatment).
Conventional X-ray - For conventional radiography, an x-ray beam is generated and passed through a patient
to a piece of film or a radiation detector, producing an image.
Ultrasound - An ultrasound is an imaging test that uses sound waves to make pictures of organs,
tissues, and other structures inside your body.
"General Tube Construction"
Housing - This housing is a lead-lined metal structure that also serves as an electrical insulator and thermal cushion for the tube itself.
X-ray Tube - The general-purpose x-ray tube is an electronic vacuum tube that consists of an anode, a cathode, and an induction motor all encased in a glass or metal enclosure (envelope).
Anode/target - The anode is the positive end of the tube.
cathode/filament - The cathode is the source of electrons.
FILM
FILM CONSTRUCTION;
Duplitised emulsion - The majority of screen-type film is ‘duplitised’.
Intensifying screens - Intensifying screens are used in the x-ray cassette to intensify the effect of the x-ray
photon by producing a larger number of light photons.
The thickness of an intensifying screen is about 0.4 mm.
Layers
Contains fluorescent materials called 'phosphors.'
calcium tungstate (CaWO4): blue light
lanthanum oxybromide (LaOBr): blue light
gadolinium oxysulfide (Gd2O2S): green light
protective layer
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