This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Hotspot in MI is seen in – 
Select and explain. 
A. Th – 20, B. Gallium, C. Pyrophosphate Tc 99, D. Albumin
C: Pyrophosphate Tc 99
Answer: C: Pyrophosphate Tc 99 
Explanation: Pyrophosphate accumulates in the damaged myocardium and the area of infarct appears as hot spot.