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What is the difference between ultrasound A scans and B scans?
A stands for Amplitude, and B stands for Brightness. B-scan technique basically combines a series of A-scans, taken from a range of different angles to form a 2d image. Whereas, A-scan only gives a graph-image of reflected intensities in a c.r.o. screen. The probe for B-scan contains smaller crystal in various orientation unlike single large crystal in A-scan technique.
What do computed tomography scans do?
CT scans are used to image a wide variety of body structures and internal organs.
How do GI bleeding scans work?
Bleeding scans are based on the accumulation of radioactive material as it exits from the vessels during a bleeding episode.
For what reason would a body scan be given?
Full body scans, also known as CT scans, or computed tomography scans, are generally done on individuals that have no symptoms or suspicions of disease. They are marketed as a preventative healthcare measure, but some healthcare officials advise against them.
Why are CT scans used in aorta studies?
CT scans can focus on the thoracic or abdominal sections of the aorta to locate aneurysms and other possible aortic diseases.
Who created the image scanner?
An image scanner optically scans images, printed text or handwriting and converts it to a digital image. It was invented by Ray Kurzweil.
How does a scanner input data?
A scanner scans the documents and make a image of that.Hence scanners input the images by scanning pages.
How are CT scans and x rays the same?
They both use ionizing radiation to make an image.
What does the term raster line describe about a monitor?
A raster line refers to a horizontal line of pixels on a monitor or display screen. It represents the individual row of pixels that make up the visual image on the screen. Multiple raster lines create the overall image displayed on the monitor.
What is the use of a hand-held scanner?
It scans text or pictures and stores it into a computer in the form of a digital image.
Which two scanner options are used to improve document or image scans?
resolution changes output file format
Is a cathode-ray tube and an iconoscope the same thing?
No. A cathode ray tube uses cathode rays to (among other things) scan a phospher and generate an image. An iconoscope is similar, in that its uses cathode rays to scan, but it scans a light sensitive area so, instead of generating an image, the iconoscope scans an image. It is a television camera, instead of a television set, so to speak.
What is the difference between ultrasound A scans and B scans?
A stands for Amplitude, and B stands for Brightness. B-scan technique basically combines a series of A-scans, taken from a range of different angles to form a 2d image. Whereas, A-scan only gives a graph-image of reflected intensities in a c.r.o. screen. The probe for B-scan contains smaller crystal in various orientation unlike single large crystal in A-scan technique.
Are there any special security features for the Kodak Check scanner?
No, this check scanner does just that...it scans the checks image, but does not have security features.
How does a flatbed scanner works?
With a flatbed scanner, a document is placed face down on the glass and a light scans the image and produces a copy. Basically, a flatbed scanner uses light to capture the image of whatever document you're scanning. That image can then be printed.
How are contrast media used to produce an image?
Contrast media contain substances that attenuate X-rays and help highlight specific structures in the body. When injected or ingested, contrast media enhance the visibility of blood vessels, organs, or tissues on imaging studies such as CT scans or MRI scans. This improved contrast allows healthcare providers to obtain a clearer image for diagnostic purposes.
Device that uses electrons to produce images on a screen?
A cathode ray tube (CRT) television or computer monitor converts electrical signals into a beam of high-speed electrons that strike a phosphor-coated screen, creating images. The beam scans line by line across the screen to produce the visual display.
