This transmission data was used to correct for non-uniform attenuation encountered within the chest. The patient was then injected with 15 mCi of 15-NH3 IV and imaging begun 3 minutes afterward. The images depict resting perfusion in the left ventricle. The images depict glucose metabolism within the myocardium. Images above are long axis images from the Glucose metabolism study.
Images above are long axis images from the perfusion study.
Images above are short axis images from the Glucose metabolism study. Images above are short axis images from the perfusion study. Diminished perfusion is noted in the anterior, anteroseptal, and anteroapical walls. However, the glucose metabolism in these areas is relatively greater than the perfusion suggesting viability in the anterior, anteroapical and to a lesser degree in the anteroseptal region. Myocardial viability is a vital factor in estimating the prognostic success of coronary bypass.