Radiology General bfa74ca7 Isotope used in myocardial perfusion scan is – a) Technetiumb) Thalliumc) Stannous pyrophosphated) Gallium A ab B a C ad D bc High-Yield Explanation Perfusion Scan → Thallium (mc), technetium, MIBI. Infarct Scan → Technetium pyrophosphate.