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South African Medical Journal

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Coronary blood flow measured by the Xenon-133 washout technique

B.S. Lewis, A. Bakst, S.P. Carswell, A.E. Houlder, M.S. Gotsman

Abstract


Coronary blood flow was measured by the radioactive xenon (133Xe) washout technique in 13 subjects: 6 controls, 5 patients with coronary artery disease and 2 patients who had undergone aortocoronary saphenous vein bypass grafts. The method did not discriminate between normal subjects and patients with coronary artery disease, but may be useful to the study of blood flow in coronary bypass grafts. In 2 patients changes in coronary flow were associated with a change in the patient's clinical status.

S. Afr. Med. J., 48, 175 (1974).



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