Intravenous Angiography Using Digital Video Subtraction: X-ray Imaging System

An x-ray imaging system, using digital subtraction techniques, has been developed. The system requires: (1) high output generation equipment; (2) an image intensifier capable of receiving high output exposures, 1 mR (2.58 × 10 −7 C/kg) at the face of the intensifier, without loss of either contrast...

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Veröffentlicht in:American journal of neuroradiology : AJNR 1980-01, Vol.1 (5), p.387-390
Hauptverfasser: Ovitt, Theron W., Christenson, Peter C., Fisher, H. Donald, Frost, Meryll M., Nudelman, Sol, Roehrig, Hans, Seeley, George
Format: Artikel
Sprache:eng
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Zusammenfassung:An x-ray imaging system, using digital subtraction techniques, has been developed. The system requires: (1) high output generation equipment; (2) an image intensifier capable of receiving high output exposures, 1 mR (2.58 × 10 −7 C/kg) at the face of the intensifier, without loss of either contrast or resolution; (3) a precision digital video camera; (4) processing computer with sufficient storage capacity; and (5) digital image storage. With this system it is possible to visualize the major arteries after intravenous contrast injection. The system, angiography technique, and early results are described.
ISSN:0195-6108
1936-959X