- Clinical value of acute rest technetium-99m tetrofosmin tomographic myocardial perfusion imaging in patients with acute chest pain and nondiagnostic electrocardiograms. Heller, G.V., Stowers, S.A., Hendel, R.C., Herman, S.D., Daher, E., Ahlberg, A.W., Baron, J.M., Mendes de Leon, C.F., Rizzo, J.A., Wackers, F.J. J. Am. Coll. Cardiol. (1998)