 The 4-French sheath in the left common femoral artery was upsized to a 12-French Impella sheath through which an Amplatz wire and a 6-French multipurpose catheter were advanced into the left ventricle. 
The 4 - French sheath in the left common femoral artery was upsized to a 12 - French Impella sheath through which an Amplatz wire and a 6 - French multipurpose catheter were advanced into the left ventricle .