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: Medicine
Manifestation of Acute Dissection include all of the following, Except: 
Select and explain. 
A. Pericardial effusion, B. AR, C. MR, D. AMI
C: MR
Answer: C: MR 
Explanation: Answer is C (MR) Mitral Regurgitation is not a feature of Aoic dissection Aoic Regurgitation and Pericardial Tamponade may be seen in proximal dissection Hemopericardium and cardiac tamponade may complicate a dissection involving the ascending aoa (type A lesion with retrograde dissection): Acute Aoic Regurgitation (AR) is an impoant and common complication of proximal dissection - Acute Myocardial Ischemia may be associated with Aoic dissection 'Bowel Ischemia, hematuria and myocardial Ischemia have all benn observed with Aoic dissection'