This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nuclear medicine, Subject name: Radiology
[{'content': 'Hotspot in a hea is seen in which scan? \nSelect and explain. \nA. Gallium, B. Albumin labelled, C. Thallium, D. Tc pyrophosphate scan', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Tc 99m pyrophosphate scan is also known as myocardial infarct scan and it depicts the segments of myocardium involved with the infarction. Get deposited in the calcified changes associated with the infarction.', 'role': 'assistant'}]