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A Video System for Recording Dynamic Radioisotope Studies with the Anger Scintillation Camera

National Institutes of Health, Bethesda, Maryland

William H. Schuette

Biotronex Laboratories, Inc., Silver Spring, Maryland

Correspondence: For reprints contact: W. L. Ashburn, Univ. of California San Diego Hospital, 225 W. Dickinson St., San Diego, Calif. 92103.

ABSTRACT

A method has been described whereby random light flashes occurring on the oscilloscope cathode-ray tube of the Anger scintillation camera are recorded on video magnetic tape for subsequent replay and nondestructive manipulation of the original data.

The system is used primarily for recording rapid dynamic radioisotope studies such as vascular time-flow measurements in which it is essential to minimize the deadtime between individual frames of information.