R. A. Kruger, Charles A. Mistretta, T. L. Houk, S. J. Riederer, C. G. Shaw, D. L. Ergun, D. Carbone, W. Kubal, A. Crummy, W. Zwiebel, G. Rowe, D. Flemming

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations


A computerized fluoroscopy system employing several time and energy subtraction algorithms has permitted good visualization of the cardiovascular system using peripheral intravenous iodine injections of about 1 cm**3/kg. Image contrast improvements of 8-16 over conventional fluoroscopy are common. Several canine and human imaging studies are described including visualization of myocardial infarctions as regions of anomalous image grey shade. The system employs a standard image intensified fluoroscopy system and a specially constructed real-time image processor. Quasimonoenergetic x-ray beams formed by filtration deliver typical doses of 400 mR/sec in adult human cardiac exams.

Original languageEnglish (US)
Pages (from-to)77-82
Number of pages6
JournalProceedings of the Society of Photo-Optical Instrumentation Engineers
StatePublished - Jan 1 1978
EventUnknown conference - Stanford Univ, Calif
Duration: Sep 11 1978Sep 12 1978

ASJC Scopus subject areas

  • Engineering(all)


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