Overview
Cardiac nuclear imaging evaluates myocardial perfusion metabolism and viability. SPECT and PET are common modalities for ischemia and viability assessment. These studies inform revascularization and medical therapy decisions.
Perfusion Imaging
Myocardial perfusion imaging detects ischemia and infarction. Stress and rest protocols assess reversible perfusion defects. Quantitative measures support risk stratification.
Metabolic and Viability
FDG PET assesses myocardial metabolism and viability in hibernating myocardium. Viability imaging guides revascularization decisions in selected patients. Integration with anatomical imaging improves localization.
Practical Considerations
Patient preparation and tracer selection affect study quality. Attenuation correction and gating improve diagnostic accuracy. Collaboration with cardiology optimizes clinical impact.