Dynamic Cardiac SPECT Imaging

The investigators propose a 4 year prospective, observational study of 40 patients yearly, comparing conventional clinically indicated SPECT and PET perfusion with dynamic rest/stress MPI studies with coronary angiography, in some cases performed with quantitative coronary anatomy and flow as well as quantitative 13N-ammonia PET MPI. Methods will also be assessed for their ability to determine myocardial viability by comparing regional wall motion (WM) on clinically indicated serial ventriculography, echocardiography or gated SPECT MPI in those protocol patients with WM abnormalities who subsequently undergo revascularization. Patient studies will begin in the first study year based on those methods already developed and integrate new advances as they become evident.

Dynamic Cardiac SPECT Imaging

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