TO THE EDITOR: In a recent article (1), my friend and colleague Grant Gullberg presented a
method for the calculation of ejection fraction in gated myocardial perfusion SPECT studies …

TO THE EDITOR: In a recent article (1), my friend and colleague Grant Gullberg presented a
method for the calculation of ejection fraction in gated myocardial perfusion SPECT studies …

TO THE EDITOR: In the May 1999 issue of The Journal of Nuclear Medicine, the results of
our study (1), which focused on the accuracy of quantitative gated SPECT ([QGS] a …

TO THE EDITOR: In a recent article (1), my friend and colleague Grant Gullberg presented a
method for the calculation of ejection fraction in gated myocardial perfusion SPECT studies …

We read with interest two back-to-back companion articles written in The Journal of Nuclear
Medicine (JNM) by Germano et al.(1) and Sharir et al.(2). In these articles the authors …

TO THE EDITOR: Thank you for publishing the nice review article by Paul and Nabi (1),
which has educational benefits. There was, however, an important omission that would …

TO THE EDITOR: Recently, there have been 3 articles (1–3) published in The Journal of
Nuclear Medicine attempting to define various artifactual sources that contribute to the …

Although one of the stated goals of this article was validating left ventricular ejection fraction
(LVEF) and volume determinations by quantitative gated SPECT (QGS) against an MRI …

TO THE EDITOR: Ina 1996 article, Michael G. Stabin (/) describes his widely used program
MIRDOSE 3.1 for internal dosimetry estimation. It was written for the Microsoft Windows 3.1 …

METhODS Severalapproacheshavebeenproposedto avoidmisinterpre tation of SPECT
images due to attenuationartifact. Observation of rotatingprojectionimagesis helpfulin …