Computer registration of radioactive indicator-dilution curves

A. P. Shepherd, M. A. Perry, G. M. Alexander

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


A system is described for recording indicator-dilution curves produced by gamma radiation-emitting tracers. The system consists of a flow-through cuvette in a well counter, appropriate commercially available gamma radiation-detecting equipment, an Apple II computer, and a two-channel pulse-counting interface of our own design. With the counting interface and the software described here, an investigator can simultaneously record two indicator-dilution curves produced by gamma emitters. Instead of having to wait hours or days for results, the investigator can watch the data being recorded and display the results in graphic form almost immediately after each injection.

Original languageEnglish (US)
Pages (from-to)H1061-H1065
JournalAmerican Journal of Physiology - Heart and Circulatory Physiology
Issue number6
StatePublished - 1983

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)


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