Serial radionuclide determinations of the ejection fraction with 99(m)Tc labeled red blood cells

P. O. Alderson, D. R. Bernier, P. A. Ludbrook, J. F. Harwig, R. Roberts, B. E. Sobel

Research output: Contribution to journalArticle

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The reproducibility of area/length ejection fraction determinations was evaluated in 21 subjects using (99m)Tc labeled red blood cells ((99m)Tc RBCs). The ejection fraction was determined within 30 min and 3 to 5 hr after a single injection of (99m)Tc RBCs. The mean absolute difference between the initial and subsequent ejection fractions was 7% (maximum, 15%) (r=0.90). (99m)Tc RBCs offer a reproducible method of determining the ejection fraction which is suitable for serial noninvasive evaluations of left ventricular function.

Original languageEnglish
Pages (from-to)729-730
Number of pages2
JournalUnknown Journal
Issue number3
StatePublished - Jan 1 1976

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