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