The Image Intensifier
The material the output phosphor is composed of in the image intensifier.
What is cesium iodide?
The artery most often accessed for arteriograms.
What is the femoral artery?
A dedicated unit typically used to image the mandible and teeth.
What is a panorex?
A two-dimensional image cell.
What is a pixel?
The commercial fluoroscope was developed by who?
Who is Thomas Edison?
The energy sequence during conventional fluoroscopy.
What is x-rays to light to electrons to light?
The most common risk for an angiography patient.
What is bleeding at the puncture site?
The most common areas scanned for bone densitometry are _____ and _____.
What are hip and lumbar spine?
In terms of resolution, the weakest part of the fluoroscopic system is the _____.
What is the television monitor?
This component is uniquely essential to digital fluoroscopy?
What is a(n) ADC?
A loss of brightness around the edge of the fluoroscopic image caused by the curve of the photocathode.
What is vignetting?
This 18-guage hollow needle with a stylet was developed in 1953 and was used to puncture the femoral artery.
What is Seldinger?
As compared with standard radiography, patient exposure during tomographic procedures is:
What is higher?
Increasing the mA is the way to correct a fluoroscopic image that has _____.
What is noise?
The number of lines in a typical high-resolution monitor.
What is 1024 lines?
Vidicon refers to a type of _____.
What is a camera tube?
The principal reason for image integration is to:
What is improve contrast resolution?
In Tomography, it is the thickness, or width of the focal plane.
What is a section?
Fluoroscopy for an air contrast barium enema is generally done at what kVp range?
What is 80-90?
During digital fluoroscopy, the image receptor is the _____.
What is the image-intensifier?
An image intensifier tube is identified by the diameter of its _______.
What is input phosphor?
The combination of temporal and energy subtraction techniques.
What is hybrid subtraction?
The acronym for DEXA?
What is dual energy x-ray absorptiometry?
By varying _____ and _____ ABC maintains the brightness of the image.
What is kVp and mAs?
A principal advantage of digital fluoroscopy over conventional fluoroscopy for subtraction studies is:
What is contrast enhancement?