262 Ch 261. Cardiac CT, MRI, and Nuclear Imaging

Coronary CT angiography (CCTA) = high-sensitivity ruling out CAD + plaque characterization; Coronary calcium score (CAC) for risk stratification; Cardiac MRI = gold standard for tissue characterization (myocarditis, amyloid, cardiomyopathy, infiltrative); Nuclear (SPECT, PET) for ischemia + viability + sarcoidosis + amyloid; 2024 AI-enabled imaging + multimodality fusion revolutionizing。