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
IOC for aortic dissection in unstable patient 
Select and explain. 
A. CT scan, B. MRI, C. TEE, D. PET
C: TEE
Answer: C: TEE 
Explanation: Stable patient - MRI.
Unstable patient - TEE (Trans esophageal Echo).