Which radionuclide is most commonly used for Infarct scanning: (A) Tc-99m pyrophosphate, (B) Tc-99m Sestamibi, (C) Tc-99m Sulfur Colloid, (D) Tc-99m Red blood cells
Answer is A. Tc-99m pyrophosphate is used most commonly.
Infarct appears as Hotspot.