This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Radiology
[{'content': 'Cardiac CT is done in ____: \nSelect and explain. \nA. Early systole, B. Mid systole, C. Mid diastole, D. Early diastole', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Mid diastole* Cardiac CT is done in mid diastole assisted by synchronous ECG gating.* Cardiac CT is an example of multi slice CT/multidetector CT (MDCT).* In spiral CT only one section in one rotation. In MDCT multiple sections in one rotation.* Cardiac CT is done in CAD and for coronary calcium scoring.- Coronary calcium scoring denotes degree of atherosclerosis and is done by the Agatston method.', 'role': 'assistant'}]