<prompt> Manifestation of Acute Dissection include all of the following, Except:Pericardial effusionARMRAMI  <response>: 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 