the authors reviewed the postoperative frontal chest radiographs of 77 patients given aortic or mitral prostheses in one year and evaluated the criteria for distinguishing between the two : position ( cephalocaudal or transverse ) , orientation ( vertical or horizontal ) , orifice ( en face or in profile ) , direction of flow through the valve ( toward the cardiac apex or ascending aorta ) , and information given on the consultation form .
C0003483
aortic
C0003956
ascending aorta