Abstract
AbstractCardiac positron emission tomography (PET) is a functional imaging modality with the predominant indications being an assessment of myocardial perfusion and viability using short-lived positron emitters. PET procedures are used for perfusion assessment only when single-photon emission computed tomography is equivocal. Perfusion agents are ultra short-lived and have limited availability in our country, that is, only at centers with onsite cyclotron. Viability assessment with fluorodeoxyglucose (FDG) is widely performed in many centers across the country due to the availability of FDG. The other important indication is in the detection of inflammatory myocarditis, the most common being cardiac sarcoidosis done with special dietary instructions and FDG as a tracer. This indication is widely used for early detection of myocardial inflammation which would be reversible if treated early. It is also used in the assessment of treatment response. Newer tracer 68 Ga Dotapeptide is also used in this application.
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