,Using a 4-French sheath, a 4-French marker pigtail catheter was inserted into the right femoral artery advanced retrograde to the descending aorta, ascending aorta, and left ventricle. 
,Using a 4 - French sheath , a 4 - French marker pigtail catheter was inserted into the right femoral artery advanced retrograde to the descending aorta , ascending aorta , and left ventricle .